Andrew P. Teeple Jason D. Payne Evin J. Fetkovich 20250626 tabular digital data Denver, Colorado U.S. Geological Survey This dataset is a subset of Teeple, A.P., Lucena, Z., Payne, J.D., Fetkovich, E.J., Mashburn, S.L., and Dale, I.A., 2025, Data used for the characterization of the hydrogeologic framework, groundwater-flow system, geochemistry, and aquifer hydraulic properties of the shallow groundwater system in the Wilcox and Lorraine process areas of the Wilcox Oil Company Superfund site near Bristow, Oklahoma, 2022: U.S. Geological Survey data release, https://doi.org/10.5066/P9FR2ZF6. https://doi.org/10.5066/P9FR2ZF6 Andrew P. Teeple Zulimar Lucena Christopher L. Braun Evin J. Fetkovich Isaac A. Dale Shana L. Mashburn 2025 publication n/a US Geological Survey https://doi.org/10.3133/sir20255042 The Wilcox Oil Company Superfund site (hereinafter referred to as “the site”) was formerly an oil refinery in northeast of Bristow in Creek County, Oklahoma. Historical refinery operations contaminated the soil, surface water, streambed sediments, alluvium, and groundwater with refined and stored products at the site. The Wilcox and Lorraine process areas are where the highest concentrations of volatile organic compounds, semivolatile organic compounds, polycyclic aromatic hydrocarbons, and trace elements (including metals) (collectively hereinafter referred to as “contaminants”) were measured in a local shallow perched groundwater system within the alluvium (hereinafter referred to as the “alluvial aquifer”) at the site during previous site assessments. In order to understand the potential migration of contaminants through the soil and groundwater in these areas, the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, investigated aquifer characteristics of the alluvial aquifer in the Wilcox and Lorraine process areas of the site to (1) document hydraulic conductivity and other aquifer characteristics of the alluvial aquifer that govern contaminant fate and transport, (2) describe the geospatial extent and concentration of the contaminants in the alluvial aquifer in the Wilcox and Lorraine process areas, and (3) describe the geochemical controls pertaining to oxidation and reduction governing the fate and transport and the degradation potential of contaminants in the groundwater. This data release documents the data that were collected and briefly describes how they were used to characterize the hydrogeologic framework, groundwater-flow system, geochemistry, and aquifer hydraulic properties of the shallow groundwater system. Refer to the companion larger work citation (Teeple and others, 2025) for the complete description and data analyses. In January and August 2022, surface geophysical resistivity data were collected to characterize the sediments and their extents in the shallow groundwater system. Two methods were utilized: frequency domain electromagnetic (FDEM) and electrical resistivity tomography (ERT). This dataset includes the raw data files; the inverse modeling input, output, and parameter files; and the final processed results. These data were used to evaluate selected attributes of the hydrogeologic framework of the shallow groundwater system including the geospatial extents of hydrogeologic units, bed orientations, hydrogeologic unit thicknesses, and their outcrop and subcrop locations in the study area. 20220131 20220804 ground condition Complete None planned -96.387001 -96.382558 35.843108 35.839237 ISO 19115 Topic Category geoscientificInformation USGS Thesaurus geospatial analysis visualization methods electromagnetic surveying electrical resistivity imaging GPS measurement data integration scientific interpretation inverse modeling conceptual modeling geospatial datasets hydrogeology lithostratigraphy geophysics unconsolidated deposits petroleum geologic contacts stratigraphic thickness industrial pollution None Superfund Wilcox Oil Company benzene aquifer characterization hydrogeologic framework frequency domain electromagnetic USGS Metadata Identifier USGS:6752248dd34e5c4500cf4792 Geographic Names Information System Bristow Oklahoma Creek County None. Please refer to the "Distribution Info" section for details. None. Users are advised to read the dataset's metadata thoroughly to understand appropriate use and data limitations. Oklahoma-Texas Water Science Center Public Information Officer U.S. Geological Survey mailing and physical

1505 Ferguson Lane

Austin TX 78754 USA 512-927-3500 otpublicinfo@usgs.gov Comma Separated Values (.csv) files are provided. These text files can be opened by any text editor. The operating system and software used to open, view, and manipulate the files included in this data release are as follows: Microsoft Windows 10 Enterprise (Version 22H2 Build 19045.3086 Experience Pack 1000.19041.1000.0) Microsoft Excel for Microsoft 365 MSO (Version 2208 Build 16.0.15601.20698) 32-bit Geophex, Ltd. WinGEMv3 (Version 3,0,0,14) IRIS Instruments Prosys II (Version 03.13.04) Aarhus Geosoftware Res2dinvx64 (Version 4.10) Geosoft Oasis montaj standard edition (Version 2022.2 [20221207.28]) All feature attribute values were peer reviewed. Refer to the "Methodology" and "Process Step" sections found within the "Lineage" part of the "Data Quality Information" section for a description of the quality assurance and quality control steps performed on the dataset. All data match the information provided by their associated metadata and reported values fall within the expected ranges. The dataset was assessed for the presence or absence of relevant data. The dataset is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details. No formal positional accuracy tests were conducted. Horizontal positions were recorded from a real-time kinematic Global Positioning System survey for the electrical resistivity tomography profile electrode positions and a differential Global Positioning System for the continuous data collection of the frequency domain electromagnetic system. Average horizontal positional accuracies from real-time kinematic Global Positioning System survey are about 0.4 inches, whereas average horizontal positional accuracies from differential Global Positioning System are about 4 inches. No formal positional accuracy tests were conducted. All locations were sampled for vertical information from a grid mosaic of a regional digital elevation model from the U.S. Geological Survey's 3D Elevation Program (U.S. Geological Survey, 2017). Vertical positional accuracy of the digital elevation model is about 3.04 meters at a 95 percent confidence level according to the National Standard for Spatial Data Accuracy but may vary significantly across the study area because of differences in source quality, terrain relief, land cover, and other factors (Gesch and others, 2014). Lucius, J.E. Langer, W.H. Ellefsen, K.J. 2007 publication Reston, Virginia U.S. Geological Survey 33 p., accessed August 22, 2023 https://doi.org/10.3133/cir1310 Digital and/or Hardcopy 2007 publication date Lucius and others (2007) Provides definitions and basic information on surface geophysical methods and expected values. Keller, G.V. Frischknecht, F.C. 1966 publication Oxford, United Kingdom Pergamon Press 519 p. Digital and/or Hardcopy 1966 publication date Keller and Frischknecht (1966) Provides definitions and basic information on the frequency domain electromagnetic method. Geophex, Ltd. 2024 website accessed October 25, 2024 https://geophex.com/gem-2-how-it-works-detailed/ Digital and/or Hardcopy 2024 publication date Geophex, Ltd. (2024) Information, instructions, and software for the frequency domain electromagnetic tool used for data collection. Abraham, J.D. Deszcz‐Pan, M. Fitterman, D.V. Burton, B.L. 2006 publication n/a European Association of Geoscientists & Engineers in EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP), 19th, Seattle, Wash., April 2–6, 2006, [Proceedings], 18 p., accessed August 22, 2023 https://doi.org/10.3997/2214-4609-pdb.181.181 Digital and/or Hardcopy 2006 publication date Abraham and others (2006) The data collection techniques were adapted from the methods outlined in this publication. Huang, H. Won, I.J. 2000 publication Journal of Environmental and Engineering Geophysics v. 5, no. 4 p. 31–41, accessed August 22, 2023 https://doi.org/10.4133/JEEG5.4.31 Digital and/or Hardcopy 2000 publication date Huang and Won (2000) Provides further explanation of how apparent resistivity values are calculated from the in-phase and quadrature responses. U.S. Geological Survey 2017 raster digital data Reston, Virginia U.S. Geological Survey accessed August 3, 2023; Archuleta, C.M., Constance, E.W., Arundel, S.T., Lowe, A.J., Mantey, K.S., and Phillips, L.A., 2017, The National Map seamless digital elevation model specifications: U.S. Geological Survey Techniques and Methods, book 11, chap. B9, 39 p., https://doi.org/10.3133/tm11B9. https://www.usgs.gov/3d-elevation-program/about-3dep-products-services Digital and/or Hardcopy 2017 ground condition U.S. Geological Survey (2017) Provides download link and information for the digital elevation model data. Gesch, D.B. Oimoen, M.J. Evans, G.A. 2014 publication U.S. Geological Survey Open-File Report 2014-1008 Reston, Virginia U.S. Geological Survey https://doi.org/10.3133/ofr20141008 Digital and/or Hardcopy 2014 publication date Gesch and others (2014) Provides vertical accuracy information for the digital elevation model data. Teeple, A.P. 2017 publication U.S. Geological Survey Scientific Investigations Report 2017-5028 Reston, Virginia U.S. Geological Survey 183 p., accessed May 25, 2023 https://doi.org/10.3133/sir20175028 Digital and/or Hardcopy 2017 publication date Teeple (2017) Provides definitions and basic information on electrical geophysical methods. Zohdy, A.A. Eaton, G.P. Mabey, G.P. 1974 publication Techniques of Water-Resources Investigations book 2, chap. D1 Reston, Virginia U.S. Geological Survey 116 p., accessed August 22, 2023 https://doi.org/10.3133/twri02D1 Digital and/or Hardcopy 1974 publication date Zohdy and others (1974) Provides definitions and basic information on the electrical resistivity tomography method. Sumner, J.S. 1976 publication Developments in Economic Geology book 5 Amsterdam, Netherlands Elsevier 277 p., ISBN: 978-0-444-41481-6 Digital and/or Hardcopy 1976 publication date Sumner (1976) Provides information on the electrical properties of earth materials. Sharma, P.V. 1997 publication Cambridge, United Kingdom Cambridge University Press 475 p. https://doi.org/10.1017/CBO9781139171168 Digital and/or Hardcopy 1997 publication date Sharma (1997) Provides information on the direct-current resistivity method and electrical properties of earth materials. Fitterman, D.V. Labson, V.F. 2005 publication Tulsa, Oklahoma Society of Exploration Geophysicists chap. 10 in Butler, D.K., ed., Near-surface geophysics—Part 1, concepts and fundamentals, p. 301-356, accessed August 22, 2023 https://doi.org/10.1190/1.9781560801719.ch10 Digital and/or Hardcopy 2005 publication date Fitterman and Labson (2005) Provides information on the electrical properties of earth materials. Burton, B.L. Powers, M.H. Ball, L.B. 2014 publication U.S. Geological Survey Open-File Report 2014-1242 Reston, Virginia U.S. Geological Survey 62 p., accessed June 9, 2022 https://doi.org/10.3133/ofr20141242 Digital and/or Hardcopy 2014 publication date Burton and others (2014) Provides information on direct-current resistivity surveying and array configurations. Ball, L.B. Kress, W.H. Steele, G.V. Cannia, J.C. Andersen, M.J. 2006 publication U.S. Geological Survey Scientific Investigations Report 2006-5032 Reston, Virginia U.S. Geological Survey 53 p., accessed June 9, 2022 https://doi.org/10.3133/sir20065032 Digital and/or Hardcopy 2006 publication date Ball and others (2006) Cited reference Loke, M.H. 2004 publication Edmonton, Canada University of Alberta accessed August 3, 2023 https://sites.ualberta.ca/~unsworth/UA-classes/223/loke_course_notes.pdf Digital and/or Hardcopy 2004 publication date Loke (2004) Provides information on the inverse modeling process. Advanced Geosciences, Inc. 2009 publication accessed April 3, 2025 http://www.advancedgeosciences.com/files/eicust/EarthImager2DManual.zip Digital and/or Hardcopy 2009 publication date Advanced Geosciences, Inc. (2009) Provides information on the inverse modeling process. Trimble Inc. 2006 publication 150 p., accessed May 1, 2025 https://trl.trimble.com/dscgi/ds.py/Get/File-311634/DSM232_200A_UserGuide_Eng.pdf Digital and/or Hardcopy 2006 publication date Trimble Inc. (2006) Provides information about the Global Positioning System receiver used for data collection. The frequency domain electromagnetic (FDEM) method uses multiple frequencies to measure bulk conductivity values of the subsurface at different depths. These measurements are made by producing an alternating electrical current in a transmitter (Tx) coil at a known frequency (Lucius and others, 2007). This time-varying electrical current produces a primary magnetic field. The primary magnetic field propagates into the subsurface, where it induces electrical currents that are proportional to the electrical conductivity of the material. These electrical currents, in turn, produce a secondary magnetic field that propagates back to the surface, thereby inducing a current in the receiver (Rx) coil; the magnitudes of the primary magnetic field and secondary magnetic field are measured by using the Rx coil. In-phase and quadrature responses are calculated as the ratio of the magnitudes of the secondary to the primary magnetic field. In-phase responses are the portion of the secondary magnetic field that matches the phase of the primary magnetic field, whereas quadrature responses are the portion of the secondary magnetic field that are 90 degrees out of phase with the primary field (Keller and Frischknecht, 1966). Both the in-phase and quadrature responses are then used to calculate the apparent resistivity of the subsurface. Apparent resistivity represents the resistivity of completely uniform (homogenous and isotropic) earth material (Keller and Frischknecht, 1966). In January and August 2022, the hand-held GEM-2 electromagnetic sensor was used to collect FDEM sounding data representing 15 frequencies (810; 1,110; 1,530; 2,070; 2,850; 3,930; 5,370; 7,290; 9,990; 13,710; 18,810; 25,710; 35,250; 48,270; and 66,090 hertz [Hz]) at the site along with 60-Hz FDEM sounding data as quality control to aid in identifying areas that may be affected by nearby power lines (Geophex, Ltd., 2024). The GEM-2 sensor is a broadband, multifrequency, fixed-coil electromagnetic induction unit that can collect multiple frequencies simultaneously, and the deployment of this unit is relatively quick (a tool typically carried or mobilized on wheels during collection) (Geophex, Ltd., 2024). FDEM soundings were collected at the default interval of 1 Hz while the instrument was held approximately 3 feet above land surface. A Trimble DSM 232 Global Positioning System (GPS) receiver (Trimble Inc., 2006) was used to georeference each FDEM sounding with a spatial coordinate. A detailed discussion of the GEM-2 and FDEM data theory is provided in Geophex, Ltd. (2024). Over the course of collecting measurements with the GEM-2 sensor, the instrument has the potential for drift because of battery voltage depletion or temperature variations (Abraham and others, 2006). To account for drift, FDEM leveling stations were established and occupied at the beginning, end, and regularly throughout the survey to compare static measurements over time to a single reference measurement. This loop-closure technique was adapted from the methods discussed in Abraham and others (2006). In January, a reconnaissance FDEM dataset was collected prior to the start of the study to test the feasibility of the method at the Wilcox Oil Company Superfund site. Leveling stations were not established for this feasibility dataset; therefore, a drift correction was not applied. It was observed that the changes (if any) from drift in that dataset were negligible and had a minimal impact on the final results. The raw in-phase and quadrature responses of the FDEM data were reviewed to remove any data values that deviated excessively from surrounding values because of electromagnetic noise. First, a factor of 1.25 times the central tendency of the entire dataset was used to remove sequential outliers consisting of five values or less. Any values that were identified as outliers were replaced with a value representing the central tendency. The next step was to remove any remaining outliers by analyzing sequential runs of 11 data values. For this step, a trimmed mean was computed for each sequential run of 11 data values; the trimmed mean removed the highest and lowest 5 percent (totaling 10 percent) of the in-phase and quadrature response values before a mean was computed. After this processing of the raw data was completed, a drift correction was applied by using a linear correction calculated from the difference between static measurements of the in-phase and quadrature responses at the leveling stations. The three lowest frequencies (810; 1,110; and 1,530 Hz) were determined to be too “noisy” or variable to obtain any usable data for interpretation, so all data from these three lowest frequencies were removed from the dataset prior to any further processing. Because the GEM-2 sensor only records relative changes in apparent resistivity, the data required calibration to reference the “true” electrical response of the earth. The “true” in-phase and quadrature responses were calculated from the layered-earth resistivity model obtained from the electrical resistivity tomography data described in the next process step. The depth and resistivity values from the final layered-earth model were used to back-calculate the in-phase and quadrature responses for the frequencies used by the GEM-2 sensor during FDEM data collection. The filtered and drift corrected in-phase and quadrature values obtained by using the GEM-2 sensor were shifted to match the in-phase and quadrature responses from the layered-earth resistivity models. In this manner, the relative changes in apparent resistivity measured by the GEM-2 sensor were calibrated to the modeled (best-fit) electrical response of the earth material. Apparent resistivity values were calculated for each frequency of the FDEM data by using these calibrated in-phase and quadrature responses. Further explanation of how apparent resistivity values are calculated from the in-phase and quadrature responses is provided by Huang and Won (2000). Inverse modeling is the process of estimating the spatial distribution of subsurface resistivity from the measured in-phase and quadrature responses. The WinGEMv3 inversion program, developed by Geophex, Ltd. (2024), was used for inverse modeling of the FDEM soundings. Ten-layered models with initial thicknesses increasing with depth (resulting in a total depth of about 10.0 meters) and initial resistivity values of 100 ohm-meters (ohm-m) were used as the starting models for the inversion process. The inversion program determines the calculated system response of these ten-layered models—the calculated apparent resistivities—as they are updated. The inversion program attempts to replicate the field data by altering the simulated thickness (depth) and resistivity values and recalculating the apparent resistivities in a series of iterations. The final models represent a nonunique estimate of the true distribution of subsurface resistivity. The final models were evaluated for anomalous resistivity values, and these values were removed from the dataset prior to the final interpretation. Lucius and others (2007) Keller and Frischknecht (1966) Geophex, Ltd. (2024) Trimble Inc. (2006) Abraham and others (2006) Huang and Won (2000) 20230504 Andrew P. Teeple U.S. Geological Survey, Southeast Region Hydrologist mailing and physical

10207-B East 61st Street South

Tulsa OK 74145 USA 325-226-0601 apteeple@usgs.gov The electrical resistivity tomography (ERT) method uses an array of four electrodes (two transmitter [Tx] electrodes and two receiver [Rx] electrodes) implanted into the ground to measure the bulk resistivity of the subsurface for a given point on the Earth’s surface. A known current was transmitted into the subsurface through the Tx electrodes, and the resulting electrical potential was measured as a voltage change between the two Rx electrodes. By increasing the distance between electrodes, the Tx current flows deeper into the subsurface, with the resulting voltage potential measured at the Rx electrodes representative of bulk electrical characteristics at greater depth. Using the known current and the measured voltage values, a resistance (the relative ability of earth material to transmit a current) was calculated by using Ohm’s law. The apparent resistivity of the subsurface was obtained by multiplying the resistance by a geometric factor dependent on the array geometry (Zohdy and others, 1974). A description of the ERT method and tables of the electrical properties of earth materials can be found in Zohdy and others (1974), Sumner (1976), Sharma (1997), Fitterman and Labson (2005), and Lucius and others (2007). In August 2022, the IRIS Syscal Pro (IRIS Instruments, Orleans, France) 96-electrode unit resistivity meter was used to collect resistivity data from a reciprocal Schlumberger array (Tx electrodes located between Rx electrodes in a straight line), a Schlumberger array (Rx electrodes located between Tx electrodes in a straight line), and a forward and reverse dipole-dipole array (a Tx pair followed by a Rx pair in a straight line) (Zohdy and others, 1974). Two ERT profiles with electrodes spaced every 2 m were collected at the site: one in the Wilcox process area that was 192 m in length and one in the Lorraine process area that was 144 m in length. Each electrode was geospatially referenced with coordinates collected from a real-time kinematic Global Positioning System receiver. More discussion on ERT surveying and array configurations can be found in Burton and others (2014). The raw data were imported into Prosys II software (IRIS Instruments, Orléans, France). The apparent resistivity values for each of the arrays were visually compared among each other as a quality check for reproducibility of the measurement. Although noisy (highly variable) data were observed at the Wilcox Oil Company Superfund site, all of the arrays showed similar results. The topography for the ERT profiles was input into the arrays, and each of the arrays was filtered to remove any excess noise. The induced current, measured voltage, and calculated apparent resistivity values were evaluated if they were within reasonable ranges, removing outliers, if necessary; induced currents between 240 and 900 milliamps, measured voltages of less than 0 millivolts (for dipole-dipole arrays only), and calculated apparent resistivity values between 0 and 500 ohm-meters were retained. Anomalous points were further removed by using the automatic removal options within the software, which rejects points that do not match the general trend. To help further reduce noise in the ERT profiles, all of the arrays were combined into an apparent resistivity profile, an automatic filtering was done by the software on the combined dataset for each profile. The filtered apparent resistivity data were processed and inverted with topographic data by using the finite-element method with least-squares estimation using RES2DINVx64 version 4.10.3 (Aarhus Geosoftware, Denmark). A two-dimensional (2D) model consisting of multiple rectangular blocks, each assigned a centered resistivity value, was used by the program to determine electrical resistivity values for a nonuniform subsurface (Ball and others, 2006). The mean value of all the apparent resistivities in the input data was selected as the starting apparent resistivity value for all model blocks. The inversion program determines the calculated system response of this 2D model—the calculated apparent resistivities—as the apparent resistivity values are updated. The inversion process iteratively calculates the system response to the numerical model of the subsurface distribution of resistivity with depth. The accuracy of the model is determined by comparing the absolute difference between the calculated model results with the measured data. The final 2D model represents a nonunique estimate of the true distribution of subsurface resistivity. The inverse modeling process is described in detail by Loke (2004) and Advanced Geosciences, Inc. (2009). Teeple (2017) Zohdy and others (1974) Sumner (1976) Sharma (1997) Fitterman and Labson (2005) Lucius and others (2007) Burton and others (2014) Ball and others (2006) Loke (2004) Advanced Geosciences, Inc. (2009) 20230403 Andrew P. Teeple U.S. Geological Survey, Southeast Region Hydrologist mailing address

10207-B East 61st Street South

Tulsa OK 74145 US 325-226-0601 apteeple@usgs.gov Universal Transverse Mercator 14 0.9996 -99.0 0.0 500000.0 0.0 coordinate pair 0.01 0.01 meters North American Datum of 1983 (NAD 83) Geodetic Reference System 1980 6378137.000000 298.257222 North American Vertical Datum of 1988 0.1 feet Explicit elevation coordinate included with horizontal coordinates Local surface 0.01 feet Explicit depth coordinate included with horizontal coordinates Wilcox_ERT_Raw_data.zip Zip folder containing the raw data files for the electrical resistivity tomography data. The binary (BIN) files are proprietary files that need the IRIS Instruments Prosys II software to open. The Comma Separated Value (CSV) files are American Standard Code for Information Interchange (ASCII) files directly exported from the BIN files. The columns of data in the CSV files are outlined in the Attribute section. The profile number is identified as the X in the "ProfileX" in the filename while the collected array type is identified after the last underscore in the filename, where "DD" refers to a dipole-dipole array, "rDD" refers to a reverse dipole-dipole array, "rS" refers to a reciprocal Schlumberger array, and "WS" refers to a Schlumberger array. Producer Defined El-array The data collection array type. An array is a set of four electrodes (two transmitter electrodes and two receiver electrodes) used during data collection. Producer Defined Dipole Dipole The dipole-dipole array which has a transmitter pair followed by a receiver pair in a straight line. If the dataset was a reverse dipole-dipole array, the array type is still a dipole-dipole array, but the receiver pair is followed by a transmitter pair in a straight line. Producer defined Mixed / non conventional A non-conventional array which for this dataset is the reciprocal Schlumberger array. The reciprocal Schlumberger array has a pair of transmitter electrodes located between two receiver electrodes in a straight line. Producer defined Schlum. VES The Schlumberger array which has a pair of receiver electrodes located between two transmitter electrodes in a straight line. Producer defined Spa.1 The position in meters along the profile of the first electrode in the array that was used to collect the data point. Producer Defined 0 186 meters 1 Spa.2 The position in meters along the profile of the second electrode in the array that was used to collect the data point. Producer Defined 2 190 meters 1 Spa.3 The position in meters along the profile of the third electrode in the array that was used to collect the data point. Producer Defined 0 190 meters 1 Spa.4 The position in meters along the profile of the fourth electrode in the array that was used to collect the data point. Producer Defined 0 190 meters 1 Rho The calculated apparent resistivity for the data point, in ohm-meters. Apparent resistivity is calculated from the known input current, the measured voltage values, and the geometric factor (which depends on the type of array) by using Ohm's law. Producer Defined -60,087.34 102,545.51 ohm-meters 0.01 Dev. The percent standard deviation of the stacked measurements for the data point measurement. A stack is a set of measurements that are averaged together for the data point. The number of stacks collected is indicated in the "Stack" attribute. Producer Defined 0.0 858.53 percent 0.01 Sp The spontaneous polarization value of the data point, in millivolts, which is measured immediately before current injection. Producer Defined -720.79 895.66 millivolts 0.01 Vp The voltage potential in millivolts measured at the receiver electrodes of the data point. Producer Defined -6,022.511 8,624.407 millivolts 0.001 In The injected current in milliamps at the transmitter electrodes for the data point. Producer Defined 154.494 1,224.803 milliamps 0.001 Time The duration in milliseconds that the current was injected while collecting the data point. Producer Defined 250 250 milliseconds 1 Stack The number of measurements collected for the data point. The initial number of measurements was set as 3 measurements, but if the quality factor computed during data collection was more than 5 percent, additional measurements were made until the quality factor was below 5 percent, although the maximum number of measurements was capped at 6. Producer Defined 3 6 unitless 1 Vab The injected voltage in volts at the transmitter electrodes for the data point. Producer Defined 63 658 volts 1 Pab The generated power in watts from the transmitter electrodes for the data point. Producer Defined 10 240 watts 1 Rab The resistance in kilo-ohms between the pair of transmitter electrodes for the data point. Producer Defined 0.1 2.3 kilo-ohms 0.1 Name The name of the data collection file loaded onto the resistivity meter for the collected dataset. Producer Defined DD 96-electrode dipole-dipole array Producer defined rDD 96-electrode reverse dipole-dipole array Producer defined rS 96-electrode reciprocal Schlumberger array Producer defined WS 96-electrode Schlumberger array Producer defined DD72 72 electrode dipole-dipole array Producer defined rDD72 72-electrode reverse dipole-dipole array Producer defined rS72 72-electrode reciprocal Schlumberger array Producer defined WS72 72-electrode Schlumberger array Producer defined Channel The channel identifier for the channel on which the data point was measured. The resistivity meter utilizes separate channels to collect up to 10 individual data points at one injection. Producer Defined 1 10 unitless 1 Tx-Bat The battery voltage in volts of the battery used for injecting current into the transmitter electrodes for the data point. Producer Defined 11.15 12.28 volts 0.01 Rx-Bat The battery voltage in volts for the battery used to run the resistivity meter for the data point. Producer Defined 12.32 12.53 volts 0.01 Temp. The internal temperature in degrees Celsius of the resistivity meter for the data point. Producer Defined 34.3 65.1 degrees Celsius 0.1 Date The date and time that the data point was measured. The date is in MM/DD/YYYY format followed by the time in hh:mm:ss format where MM is the two-digit numerical month value, DD is the two-digit numerical day value, YYYY is the four-digit numerical year value, hh is the two-digit numerical hour value, mm is the two-digit numerical minute value, and ss is the two-digit numerical second value. Producer Defined 8/3/2022 13:37:13 8/3/2022 21:56:34 seconds 1 Gapfiller Identifies if the data point was an additional data point for collection optimization. The resistivity meter attempts to maximize the data collection points for each current injection; data points not in the original design of the array are considered “gap filler” points. Producer Defined 0 Original data point for the normal array sequence Producer defined 1 Additional data point for collection optimization Producer defined Synch Identifies if the channel was used as a synchronization channel for the data point, which means that the resistivity meter synchronized any additional channels to the specified channel during current injection. Producer Defined 1 Channel was utilized as a synchronization channel. Producer defined 0 Channel was not utilized as a synchronization channel. Producer defined Wilcox_ERT_Inverse_modeling.zip Zip folder containing the files used for the inverse modeling of the electrical resistivity tomography data. Included in the folder are software manual (Res2dinvx64 manual.pdf), readme (Wilcox_ERT_Inverse_modeling_readme.txt), model georeferenced (Wilcox_ERT_modelgeoref.txt), model parameters (Wilcox_ERT_parameters.ivp), and data input (Wilcox_ERT_Profile1_filtered_inputs.dat and Wilcox_ERT_Profile2_filtered_inputs.dat) and output (Wilcox_ERT_Profile1_filtered_outputs.xyz and Wilcox_ERT_Profile2_filtered_inputs.xyz) files. More information on the included files is found in the Wilcox_ERT_Inverse_modeling_readme.txt file. Producer Defined Wilcox_FDEM_Raw_data.zip Zip folder containing the raw data files for the frequency domain electromagnetic data. The GEM binary file (GBF) files are proprietary files that need the Geophex, Ltd. WinGEMv3 software to open. The Comma Separated Value (CSV) files are ASCII files directly exported from the GBF files. The columns of data in the CSV files are outlined in the Attribute section. The CSV files that end with "GPSandTimeEdit" in the file name were edited to correct the date and time to the correct time at data collection and the Global Positioning System locations based on these new time stamps. The CSV files that end with "GPSandTimeEdit" as a result will also contain an additional attribute field labeled as “GPSStat”. Producer Defined Line Identifier for the profile on which the data point was collected. Producer Defined 0 16 unitless 1 Sample Identifier for the data point within the measured profile. The first data point starts at 0 for each profile and then increases incrementally (by 1) for each data point until the end of the profile. Producer Defined 0 1,877 unitless 1 X The easting in meters of the data point based on the North American Datum of 1983 and the Universal Transverse Mercator projection zone 14. Producer Defined 0.00 736,374.91 meters 0.01 Y The northing in meters of the data point based on the North American Datum of 1983 and the Universal Transverse Mercator projection zone 14. Producer Defined -10.00 3,969,684.14 meters 0.01 Mark Identifier for locations along the profile where the operator notified the collection unit of a notable feature while collecting data. Notable features are items that are visible to the operator that may result in a disturbance to the data being collected, such as metal or powerlines. The mark identifier starts at "0" at the beginning of the profile and increases incrementally (by 1) each time the operator notifies the collection unit. Producer Defined 0 44 unitless 1 Status Identifier for qualifying the status of the data point. Producer Defined 0 No qualifying remark about the data point. Producer defined GPSStat Identifier for the qualifying status of the Global Positioning System locational data for the data point. Producer Defined 0 The Global Positioning System was unable to get a fix on the location of the data point, resulting in no locational data Producer defined 1 Stand-alone Global Positioning System fix achieved from global navigation satellite system Producer defined Time[ms] The time of the day in milliseconds at which the data point was measured. Producer Defined 401.5 86,399,901.5 milliseconds 0.1 Time[hhmmss.ssss] Time of the day at which the data point was measured, in hhmmss.ssss format where hh is the two-digit numerical hour, mm is the two-digit numerical minute, and ss.ssss is the 6-digit numerical decimal second. Leading zeroes (representing hours and, in some cases, minutes) are not retained. Producer Defined 0.4015 235959.9015 hhmmss.ssss 0.0001 PowerLn Data collected at the 60 hertz frequency in parts per million to measure power line interference for the data point. Producer Defined 161.6 22,788.5 parts per million 0.1 I_810Hz The measured in-phase response in parts per million collected from an induced current of 810 hertz for the data point. Producer Defined -9,830 71,000 parts per million 0.00001 Q_810Hz The measured quadrature response in parts per million collected from an induced current of 810 hertz for the data point. Producer Defined -10,100 32,700 parts per million 0.00001 I_1110Hz The measured in-phase response in parts per million collected from an induced current of 1,110 hertz for the data point. Producer Defined -13,400 76,600 parts per million 0.00001 Q_1110Hz The measured quadrature response in parts per million collected from an induced current of 1,110 hertz for the data point. Producer Defined -11,100 32,000 parts per million 0.00001 I_1530Hz The measured in-phase response in parts per million collected from an induced current of 1,530 hertz for the data point. Producer Defined -15,900 77,000 parts per million 0.00001 Q_1530Hz The measured quadrature response in parts per million collected from an induced current of 1,530 hertz for the data point. Producer Defined -12,700 28,300 parts per million 0.00001 I_2070Hz The measured in-phase response in parts per million collected from an induced current of 2,070 hertz for the data point. Producer Defined -19,000 78,600 parts per million 0.00001 Q_2070Hz The measured quadrature response in parts per million collected from an induced current of 2,070 hertz for the data point. Producer Defined -20,800 26,300 parts per million 0.00001 I_2850Hz The measured in-phase response in parts per million collected from an induced current of 2,850 hertz for the data point. Producer Defined -22,700 80,400 parts per million 0.00001 Q_2850Hz The measured quadrature response in parts per million collected from an induced current of 2,850 hertz for the data point. Producer Defined -15,700 24,200 parts per million 0.00001 I_3930Hz The measured in-phase response in parts per million collected from an induced current of 3,930 hertz for the data point. Producer Defined -25,300 81,100 parts per million 0.00001 Q_3930Hz The measured quadrature response in parts per million collected from an induced current of 3,930 hertz for the data point. Producer Defined -15,700 22,200 parts per million 0.00001 I_5370Hz The measured in-phase response in parts per million collected from an induced current of 5,370 hertz for the data point. Producer Defined -27,100 81,100 parts per million 0.00001 Q_5370Hz The measured quadrature response in parts per million collected from an induced current of 5,370 hertz for the data point. Producer Defined -15,000 22,000 parts per million 0.00001 I_7290Hz The measured in-phase response in parts per million collected from an induced current of 7,290 hertz for the data point. Producer Defined -28,400 80,700 parts per million 0.00001 Q_7290Hz The measured quadrature response in parts per million collected from an induced current of 7,290 hertz for the data point. Producer Defined -14,000 23,400 parts per million 0.00001 I_9990Hz The measured in-phase response in parts per million collected from an induced current of 9,990 hertz for the data point. Producer Defined -29,300 79,800 parts per million 0.00001 Q_9990Hz The measured quadrature response in parts per million collected from an induced current of 9,990 hertz for the data point. Producer Defined -12,800 24,500 parts per million 0.00001 I_13710Hz The measured in-phase response in parts per million collected from an induced current of 13,710 hertz for the data point. Producer Defined -29,100 78,800 parts per million 0.00001 Q_13710Hz The measured quadrature response in parts per million collected from an induced current of 13,710 hertz for the data point. Producer Defined -11,200 25,500 parts per million 0.00001 I_18810Hz The measured in-phase response in parts per million collected from an induced current of 18,810 hertz for the data point. Producer Defined -31,100 76,600 parts per million 0.00001 Q_18810Hz The measured quadrature response in parts per million collected from an induced current of 18,810 hertz for the data point. Producer Defined -11,200 26,500 parts per million 0.00001 I_25710Hz The measured in-phase response in parts per million collected from an induced current of 25,710 hertz for the data point. Producer Defined -35,400 78,100 parts per million 0.00001 Q_25710Hz The measured quadrature response in parts per million collected from an induced current of 25,710 hertz for the data point. Producer Defined -10,500 28,400 parts per million 0.00001 I_35250Hz The measured in-phase response in parts per million collected from an induced current of 35,250 hertz for the data point. Producer Defined -39,600 79,300 parts per million 0.00001 Q_35250Hz The measured quadrature response in parts per million collected from an induced current of 35,250 hertz for the data point. Producer Defined -10,100 29,500 parts per million 0.00001 I_48270Hz The measured in-phase response in parts per million collected from an induced current of 48,270 hertz for the data point. Producer Defined -42,400 80,200 parts per million 0.00001 Q_48270Hz The measured quadrature response in parts per million collected from an induced current of 48,270 hertz for the data point. Producer Defined -9,610 33,300 parts per million 0.00001 I_66090Hz The measured in-phase response in parts per million collected from an induced current of 66,090 hertz for the data point. Producer Defined -45,700 80,400 parts per million 0.00001 Q_66090Hz The measured quadrature response in parts per million collected from an induced current of 66,090 hertz for the data point. Producer Defined -9,620 34,900 parts per million 0.00001 QSum The summation of all quadrature values for the data point, in parts per million. Producer Defined -167,000 342,000 parts per million 0.1 Wilcox_FDEM_Inverse_modeling.zip Zip folder containing the files used for the inverse modeling of the frequency domain electromagnetic data. Included in the folder are readme (Wilcox_FDEM_Inverse_modeling_readme.txt), model georeference (Wilcox_FDEM_modelgeoref.txt), model parameters (Wilcox_FDEM_parameters.ini), and data input (Wilcox_FDEM_filtered_inputs.csv) and output (Wilcox_FDEM_filtered_outputs.csv) files. More information on the included files is found in the Wilcox_FDEM_Inverse_modeling_readme.txt file. The data definitions for the data input (Wilcox_FDEM_filtered_inputs.csv) and output (Wilcox_FDEM_filtered_outputs.csv) files are listed in this Attributes section. The output data file contains 20 more attributes than the input data file. The additional 20 attributes include 10 pertaining to the resistivity results (ResLayer_1 through ResLayer_10), 9 pertaining to the thickness results (ThiLayer_1 through ThiLayer_9, and one pertaining to the error of the results (FitError(%)). Producer Defined Line Identifier for the profile number on which the data point was collected. The profile numbers were modified from the raw data. For the reconnaissance dataset, 100 was added to the profile number assigned in the raw data, whereas 200 was added to the primary field collection dataset. Producer Defined 100 216 unitless 1 Sample Identifier associated with each data point within the measured profile starting at 0 for each profile and increasing incrementally (by 1) for each data point until the end of the profile. Producer Defined 0 1,849 unitless 1 X The easting in meters of the data point based on North American Datum of 1983 and the Universal Transverse Mercator projection zone 14. Producer Defined 736,000.66 736,374.91 meters 0.01 Y The northing in meters of the data point based on North American Datum of 1983 and the Universal Transverse Mercator projection zone 14. Producer Defined 396,9278.16 396,9684.14 meters 0.01 Mark Identifier for locations along the profile where the operator notified the collection unit of a notable feature while collecting data. Notable features are items that are visible to the operator that may result in a disturbance to the data being collected, such as metal or powerlines. Producer Defined 0 No notable feature at land surface identified by the unit operator. Producer defined 1 A notable feature at land surface was identified by the unit operator. Producer defined Status Identifier for qualifying the status of the data point, if needed. Producer Defined 0 No qualifying remark about the data point. Producer defined GPSStat Identifier for the qualifying status of the Global Positioning System locational data for the data point. Producer Defined 0 The Global Positioning System was unable to get a fix on the location of the data point, resulting in no locational data Producer defined 1 Stand-alone Global Positioning System fix achieved from global navigation satellite system Producer defined Time[ms] The time of the day in milliseconds at which the data point was measured. Producer Defined 401.5 86,399,901.5 milliseconds 0.1 Time[hhmmss.ss] Time of the day at which the data point was measured, in hhmmss.ss format where hh is the two-digit numerical hour, mm is the two-digit numerical minute, and ss.ss is the 4-digit numerical decimal second. Leading zeroes (representing hours and, in some cases, minutes) are not retained. Producer Defined 0.40 235959.90 hhmmss.ss 0.01 PowerLn Data collected at the 60 hertz frequency in parts per million to measure power line interference for the data point. Producer Defined 161.6 22,788.5 parts per million 0.1 I_2070Hz The measured in-phase response in parts per million collected from an induced current of 2,070 hertz for the data point. Producer Defined -6,350 37,200 parts per million 0.00001 Q_2070Hz The measured quadrature response in parts per million collected from an induced current of 2,070 hertz for the data point. Producer Defined -4,050 16,000 parts per million 0.00001 I_2850Hz The measured in-phase response in parts per million collected from an induced current of 2,850 hertz for the data point. Producer Defined -7,560 41,600 parts per million 0.00001 Q_2850Hz The measured quadrature response in parts per million collected from an induced current of 2,850 hertz for the data point. Producer Defined -4,110 17,700 parts per million 0.00001 I_3930Hz The measured in-phase response in parts per million collected from an induced current of 3,930 hertz for the data point. Producer Defined -8,240 26,500 parts per million 0.00001 Q_3930Hz The measured quadrature response in parts per million collected from an induced current of 3,930 hertz for the data point. Producer Defined -4,090 18,900 parts per million 0.00001 I_5370Hz The measured in-phase response in parts per million collected from an induced current of 5,370 hertz for the data point. Producer Defined -9,310 26,700 parts per million 0.00001 Q_5370Hz The measured quadrature response in parts per million collected from an induced current of 5,370 hertz for the data point. Producer Defined -3,640 20,100 parts per million 0.00001 I_7290Hz The measured in-phase response in parts per million collected from an induced current of 7,290 hertz for the data point. Producer Defined -9,970 41,700 parts per million 0.00001 Q_7290Hz The measured quadrature response in parts per million collected from an induced current of 7,290 hertz for the data point. Producer Defined -3,640 21,300 parts per million 0.00001 I_9990Hz The measured in-phase response in parts per million collected from an induced current of 9,990 hertz for the data point. Producer Defined -11,900 32,900 parts per million 0.00001 Q_9990Hz The measured quadrature response in parts per million collected from an induced current of 9,990 hertz for the data point. Producer Defined -3,160 22,300 parts per million 0.00001 I_13710Hz The measured in-phase response in parts per million collected from an induced current of 13,710 hertz for the data point. Producer Defined -13,500 37,300 parts per million 0.00001 Q_13710Hz The measured quadrature response in parts per million collected from an induced current of 13,710 hertz for the data point. Producer Defined -2,860 23,200 parts per million 0.00001 I_18810Hz The measured in-phase response in parts per million collected from an induced current of 18,810 hertz for the data point. Producer Defined -14,700 41,900 parts per million 0.00001 Q_18810Hz The measured quadrature response in parts per million collected from an induced current of 18,810 hertz for the data point. Producer Defined -2,360 24,200 parts per million 0.00001 I_25710Hz The measured in-phase response in parts per million collected from an induced current of 25,710 hertz for the data point. Producer Defined -14,700 46,000 parts per million 0.00001 Q_25710Hz The measured quadrature response in parts per million collected from an induced current of 25,710 hertz for the data point. Producer Defined -1,700 25,400 parts per million 0.00001 I_35250Hz The measured in-phase response in parts per million collected from an induced current of 35,250 hertz for the data point. Producer Defined -13,700 49,800 parts per million 0.00001 Q_35250Hz The measured quadrature response in parts per million collected from an induced current of 35,250 hertz for the data point. Producer Defined -763 26,800 parts per million 0.00001 I_48270Hz The measured in-phase response in parts per million collected from an induced current of 48,270 hertz for the data point. Producer Defined -14,000 53,700 parts per million 0.00001 Q_48270Hz The measured quadrature response in parts per million collected from an induced current of 48,270 hertz for the data point. Producer Defined 211 28,100 parts per million 0.00001 I_66090Hz The measured in-phase response in parts per million collected from an induced current of 66,090 hertz for the data point. Producer Defined -12,600 56,700 parts per million 0.00001 Q_66090Hz The measured quadrature response in parts per million collected from an induced current of 66,090 hertz for the data point. Producer Defined 510 30,000 parts per million 0.00001 ResLayer_1 The resistivity value in ohm-meters for layer 1 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the maximum value to 2,000 ohm-meters. Producer Defined 3.25 2000 ohm-meters 0.01 ResLayer_2 The resistivity value in ohm-meters for layer 2 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.200 ohm-meters and the maximum value to 2,000 ohm-meters. Producer Defined 0.200 2000 ohm-meters 0.001 ResLayer_3 The resistivity value in ohm-meters for layer 3 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.200 ohm-meters and the maximum value to 2,000 ohm-meters. Producer Defined 0.200 2000 ohm-meters 0.001 ResLayer_4 The resistivity value in ohm-meters for layer 4 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.200 ohm-meters and the maximum value to 2,000 ohm-meters. Producer Defined 0.200 2000 ohm-meters 0.001 ResLayer_5 The resistivity value in ohm-meters for layer 5 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.200 ohm-meters and the maximum value to 2,000 ohm-meters. Producer Defined 0.200 2000 ohm-meters 0.001 ResLayer_6 The resistivity value in ohm-meters for layer 6 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.200 ohm-meters and the maximum value to 2,000 ohm-meters. Producer Defined 0.200 2000 ohm-meters 0.001 ResLayer_7 The resistivity value in ohm-meters for layer 7 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.200 ohm-meters and the maximum value to 2,000 ohm-meters. Producer Defined 0.200 2000 ohm-meters 0.001 ResLayer_8 The resistivity value in ohm-meters for layer 8 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.200 ohm-meters and the maximum value to 2,000 ohm-meters. Producer Defined 0.200 2000 ohm-meters 0.001 ResLayer_9 The resistivity value in ohm-meters for layer 9 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.200 ohm-meters and the maximum value to 2,000 ohm-meters. Producer Defined 0.200 2000 ohm-meters 0.001 ResLayer_10 The resistivity value in ohm-meters for layer 10 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.200 ohm-meters and the maximum value to 2,000 ohm-meters. Producer Defined 0.200 2000 ohm-meters 0.001 ThiLayer_1 The thickness in meters for layer 1 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.20 meters and the maximum value to 3.00 meters. Producer Defined 0.20 3.00 meters 0.01 ThiLayer_2 The thickness in meters for layer 2 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.20 meters and the maximum value to 3.00 meters. Producer Defined 0.20 3.00 meters 0.01 ThiLayer_3 The thickness in meters for layer 3 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.20 meters and the maximum value to 3.00 meters. Producer Defined 0.20 3.00 meters 0.01 ThiLayer_4 The thickness in meters for layer 4 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.20 meters and the maximum value to 3.00 meters. Producer Defined 0.20 3.00 meters 0.01 ThiLayer_5 The thickness in meters for layer 5 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.20 meters and the maximum value to 3.00 meters. Producer Defined 0.20 3.00 meters 0.01 ThiLayer_6 The thickness in meters for layer 6 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.20 meters and the maximum value to 3.00 meters. Producer Defined 0.20 3.00 meters 0.01 ThiLayer_7 The thickness in meters for layer 7 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.20 meters and the maximum value to 3.00 meters. Producer Defined 0.20 3.00 meters 0.01 ThiLayer_8 The thickness in meters for layer 8 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.20 meters and the maximum value to 3.00 meters. Producer Defined 0.20 3.00 meters 0.01 ThiLayer_9 The thickness in meters for layer 9 from the inverse modeling results of the in-phase and quadrature data for the data point. The inversion program limits the minimum value to 0.20 meters and the maximum value to 3.00 meters. Producer Defined 0.20 3.00 meters 0.01 FitError(%) The percent difference between the measured in-phase and quadrature values and the inverse modeled in-phase and quadrature values. Producer Defined 0.36 93.46 percent 0.01 Wilcox_ERT_GPS.csv Comma Separated Value (CSV) file containing the geospatial location data for electrodes in the electrical resistivity tomography profiles. Producer Defined Point_ID Identifier for the electrode in the electrical resistivity tomography profile. Producer Defined Identifier is split into three parts, separated by underscores. The first part identifies the spatial data as part of the electrical resistivity tomography (ERT) data. The second/middle part identifies which profile the electrode is associated with where "P1" refers to profile 1 and "P2" refers to profile 2. The last part identifies the electrode number in the profile. Profile_number Identifier for the profile number of the electrode. Producer Defined 1 2 unitless 1 Electrode_number Identifier for the electrode number associated with the specified profile. Producer Defined 1 96 unitless 1 Profile_X The position of the electrode in feet along the profile starting at 0 for the first electrode. Producer Defined 0.00 623.36 feet 0.01 Latitude The latitude of the specified electrode in decimal degrees based on the World Geodetic System 1984 datum. Producer Defined 35.840780 35.843088 decimal degrees 0.000001 Longitude The longitude of the specified electrode in decimal degrees based on the World Geodetic System 1984 datum. Producer Defined -96.386476 -96.384019 decimal degrees 0.000001 Easting The easting in meters of the specified electrode based on the North American Datum of 1983 and the Universal Transverse Mercator projection zone 14. Producer Defined 736,042.36 736,266.80 meters 0.01 Northing The northing in meters of the specified electrode based on the North American Datum of 1983 and the Universal Transverse Mercator projection zone 14. Producer Defined 3,969,446.02 3,969,698.52 meters 0.01 Altitude The land-surface altitude of the specified electrode in feet above North American Vertical Datum of 1988. Producer Defined 791.0 807.2 feet 0.1 Wilcox_ERT_data_final.csv Comma Separated Value (CSV) file containing the final filtered and processed inverse modeling results of the electrical resistivity tomography data. Producer Defined Profile_number Identifier for the profile number associated with the specified data point. Producer Defined 1 2 unitless 1 Profile_X The position of the electrode in feet along the profile starting at 0 for the first electrode. Producer Defined 1.64 621.72 feet 0.01 Latitude The latitude of the specified data point in decimal degrees based on the World Geodetic System 1984 datum. Producer Defined 35.840785 35.843084 decimal degrees 0.000001 Longitude The longitude of the specified data point in decimal degrees based on the World Geodetic System 1984 datum. Producer Defined -96.386476 -96.384021 decimal degrees 0.000001 Easting The easting in meters of the specified data point based on the North American Datum of 1983 and the Universal Transverse Mercator projection zone 14. Producer Defined 736,042.43 736,266.65 meters 0.01 Northing The northing in meters of the specified data point based on the North American Datum of 1983 and the Universal Transverse Mercator projection zone 14. Producer Defined 3,969,446.51 3,969,698.04 meters 0.01 Altitude The land-surface altitude of the specified data point in feet above North American Vertical Datum of 1988. Producer Defined 791.0 807.2 feet 0.1 Res_depth_01 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 1 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined -0.1 1.9 feet 0.1 Res_depth_02 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 2 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 1.9 4.1 feet 0.1 Res_depth_03 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 3 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 4.0 6.9 feet 0.1 Res_depth_04 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 4 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 5.9 9.9 feet 0.1 Res_depth_05 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 5 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 8.2 13.0 feet 0.1 Res_depth_06 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 6 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 10.6 16.3 feet 0.1 Res_depth_07 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 7 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 13.4 19.9 feet 0.1 Res_depth_08 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 8 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 16.6 23.6 feet 0.1 Res_depth_09 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 9 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 20.0 27.6 feet 0.1 Res_depth_10 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 10 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 23.9 31.9 feet 0.1 Res_depth_11 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 11 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 28.3 36.6 feet 0.1 Res_depth_12 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 12 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 33.1 41.7 feet 0.1 Res_depth_13 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 13 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 38.4 47.2 feet 0.1 Res_depth_14 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 14 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 44.3 53.3 feet 0.1 Res_depth_15 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 15 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 50.8 59.9 feet 0.1 Res_depth_16 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 16 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 58.1 67.2 feet 0.1 Res_depth_17 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 17 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 66.0 75.2 feet 0.1 Res_depth_18 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 18 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 74.8 84.0 feet 0.1 Res_depth_19 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 19 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 84.4 93.6 feet 0.1 Res_depth_20 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 20 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 95.0 104.2 feet 0.1 Res_depth_21 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 21 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined -999 The model for profile 2 is shallower than the model for profile 1 resulting in no data for this attribute for profile 2. Producer defined 106.7 113.0 feet 0.1 Res_depth_22 The depth in feet below land surface (from the inverse modeling results of the electrical resistivity tomography data) for data point 22 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined -999 The model for profile 2 is shallower than the model for profile 1 resulting in no data for this attribute for profile 2. Producer defined 119.5 125.9 feet 0.1 Res_alt_01 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 1 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 790.3 805.8 feet 0.1 Res_alt_02 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 2 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 788.8 803.2 feet 0.1 Res_alt_03 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 3 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 787.1 800.5 feet 0.1 Res_alt_04 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 4 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 785.1 797.7 feet 0.1 Res_alt_05 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 5 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 782.9 794.7 feet 0.1 Res_alt_06 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 6 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 780.4 791.5 feet 0.1 Res_alt_07 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 7 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 777.6 788.3 feet 0.1 Res_alt_08 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 8 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 774.5 784.9 feet 0.1 Res_alt_09 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 9 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 771.0 781.1 feet 0.1 Res_alt_10 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 10 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 767.1 777.0 feet 0.1 Res_alt_11 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 11 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 762.8 772.5 feet 0.1 Res_alt_12 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 12 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 758.0 767.5 feet 0.1 Res_alt_13 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 13 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 752.6 762.1 feet 0.1 Res_alt_14 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 14 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 746.7 756.0 feet 0.1 Res_alt_15 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 15 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 740.2 749.4 feet 0.1 Res_alt_16 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 16 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 733.0 742.2 feet 0.1 Res_alt_17 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 17 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 725.0 734.3 feet 0.1 Res_alt_18 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 18 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 716.3 725.5 feet 0.1 Res_alt_19 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 19 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 706.6 715.9 feet 0.1 Res_alt_20 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 20 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 696.0 705.3 feet 0.1 Res_alt_21 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 21 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined -999 The model for profile 2 is shallower than the model for profile 1 resulting in no data for this attribute for profile 2. Producer defined 684.3 691.8 feet 0.1 Res_alt_22 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the electrical resistivity tomography data) for data point 22 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined -999 The model for profile 2 is shallower than the model for profile 1 resulting in no data for this attribute for profile 2. Producer defined 671.5 679.0 feet 0.1 Res_value_01 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 1 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 6.7 285.5 ohm-meters 0.1 Res_value_02 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 2 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 6.6 235.2 ohm-meters 0.1 Res_value_03 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 3 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 6.3 143.0 ohm-meters 0.1 Res_value_04 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 4 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 3.4 91.1 ohm-meters 0.1 Res_value_05 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 5 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 3.4 101.9 ohm-meters 0.1 Res_value_06 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 6 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 3.4 128.1 ohm-meters 0.1 Res_value_07 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 7 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 4.3 144.5 ohm-meters 0.1 Res_value_08 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 8 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 5.8 156.7 ohm-meters 0.1 Res_value_09 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 9 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 7.3 163.4 ohm-meters 0.1 Res_value_10 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 10 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 9.2 149.2 ohm-meters 0.1 Res_value_11 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 11 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 7.4 129.8 ohm-meters 0.1 Res_value_12 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 12 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 6.8 148.9 ohm-meters 0.1 Res_value_13 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 13 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 6.7 149.2 ohm-meters 0.1 Res_value_14 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 14 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 6.8 130.5 ohm-meters 0.1 Res_value_15 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 15 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 7.5 127.1 ohm-meters 0.1 Res_value_16 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 16 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 9.5 137.6 ohm-meters 0.1 Res_value_17 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 17 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 11.5 143.4 ohm-meters 0.1 Res_value_18 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 18 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 9.0 145.8 ohm-meters 0.1 Res_value_19 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 19 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 7.5 146.0 ohm-meters 0.1 Res_value_20 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 20 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined 6.8 145.5 ohm-meters 0.1 Res_value_21 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 21 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined -999 The model for profile 2 is shallower than the model for profile 1 resulting in no data for this attribute for profile 2. Producer defined 6.6 130.1 ohm-meters 0.1 Res_value_22 The resistivity value in ohm-meters (from the inverse modeling results of the electrical resistivity tomography data) for data point 22 at the specified "Profile_X" position along the profile indicated by "Profile_number." Producer Defined -999 The model for profile 2 is shallower than the model for profile 1 resulting in no data for this attribute for profile 2. Producer defined 6.3 128.0 ohm-meters 0.1 Wilcox_FDEM_ReconCollection_GPS_routes.csv Comma Separated Value (CSV) file containing the geospatial location data for the reconnaissance frequency domain electromagnetic data. Producer Defined Point Identifier for the data point within the measured profile. The first data point in each profile starts at "1" and increases incrementally (by 1) for each subsequent data point. Producer Defined 1 611 unitless 1 Latitude The latitude of the specified data point in decimal degrees based on the World Geodetic System 1984 datum. Producer Defined 35.839583 35.842850 decimal degrees 0.000001 Longitude The longitude of the specified data point in decimal degrees based on the World Geodetic System 1984 datum. Producer Defined -96.386983 -96.382717 decimal degrees 0.000001 Altitude The land-surface altitude of the specified data point in feet above North American Vertical Datum of 1988. Producer Defined 631 742 feet 1 Full Date/Time The date and time at which the data point was measured. The date is in MM/DD/YYYY format followed by the time in hh:mm format where MM is the two-digit numerical month value, DD is the two-digit numerical day value, YYYY is the four-digit numerical year value, hh is the two-digit numerical hour value, and mm is the two-digit numerical minute value. Producer Defined 1/31/2022 09:01 1/31/2022 12:06 minutes 1 Date The date at which the data point was measured. The date is in MM/DD/YYYY format where MM is the two-digit numerical month value, DD is the two-digit numerical day value, and YYYY is the four-digit numerical year value. Producer Defined 1/31/2022 The data point was collected on January 31, 2022. Producer defined Time The time at which the data point was measured. The time is in hh:mm:ss format where hh is the two-digit numerical hour value, mm is the two-digit numerical minute value, and ss is the two-digit numerical second value. Producer Defined 09:01:48 12:06:51 seconds 1 Leg Length The distance in feet between the current data point and the previous data point. The first data point starts at 0. Producer Defined 0 124 feet 1 Leg Time The duration of time at which data were collected between the current data point and the previous data point in hh:mm:ss format where hh is the two-digit numerical hour value, mm is the two-digit numerical minute value, and ss is the two-digit numerical second value. The first data point starts at 00:00:00. Producer Defined 00:00:00 00:10:34 seconds 1 Leg Speed The average traveling speed in feet per second between the current data point and the previous data point. The first data point starts at 0. Producer Defined 0.0 9.0 feet per second 0.1 Leg Course The direction in degrees from true north between the current data point and the previous data point. The first data point starts at 0. Producer Defined 0° true 358° true degrees 1 Wilcox_FDEM_GPS_LevelingStation.csv Comma Separated Value (CSV) file containing the geospatial location data for the frequency domain electromagnetic leveling stations. Producer Defined Point_ID Identifier for the frequency domain electromagnetic leveling station. Producer Defined FDEM_leveling_station_1 Frequency domain electromagnetic leveling station 1 Producer defined FDEM_leveling_station_2 Frequency domain electromagnetic leveling station 2 Producer defined ERT_profile_number Identifier for the nearest electrical resistivity tomography profile number to the specified frequency domain electromagnetic leveling station. Producer Defined 1 2 unitless 1 Profile_X The nearest distance in feet along the specified electrical resistivity tomography profile to the specified frequency domain electromagnetic leveling station. Producer Defined 288.71 305.12 feet 0.01 Latitude The latitude of the specified frequency domain electromagnetic leveling station in decimal degrees based on the World Geodetic System 1984 datum. Producer Defined 35.841576 35.842253 decimal degrees 0.000001 Longitude The longitude of the specified frequency domain electromagnetic leveling station in decimal degrees based on the World Geodetic System 1984 datum. Producer Defined -96.386487 -96.384489 decimal degrees 0.000001 Easting The easting in meters of the specified frequency domain electromagnetic leveling station based on the North American Datum of 1983 and the Universal Transverse Mercator projection zone 14. Producer Defined 736043.83 736226.4 meters 0.01 Northing The northing in meters of the specified frequency domain electromagnetic leveling station based on the North American Datum of 1983 and the Universal Transverse Mercator projection zone 14. Producer Defined 3969535.61 3969605.85 meters 0.01 Altitude The land-surface altitude of the specified frequency domain electromagnetic leveling station in feet above North American Vertical Datum of 1988. Producer Defined 799.5 806.2 feet 0.1 Wilcox_FDEM_data_final.csv Comma Separated Value (CSV) file containing the final filtered and processed inverse modeling results of the frequency domain electromagnetic data. Producer Defined Profile_number Identifier for the profile number on which the data point was collected. The profile numbers were modified from the raw data. For the reconnaissance dataset, 100 was added to the profile number assigned in the raw data, whereas 200 was added to the primary field collection dataset. Some of the profiles needed to be split apart during processing to aid in the visualization of the data (prevent back tracking of the data); the sub-sections of these profiles are designated by decimals starting with the first sub-section at “.1” and increasing incrementally (by “.1”) for each subsequent sub-section. Sub-sections designated with a “.99” were data that were either too short to display as its own subsection or were data that backtrack on itself multiple times. Producer Defined 100.00 216.00 unitless 0.01 Raw_datafile Identifier for the raw data file where the data point is stored. Producer Defined Recon Data point is from the reconnaissance survey collected in January 2022. The raw file name is Wilcox_FDEM_ReconCollection.gbf Producer defined Primary Data point is from the primary field data collection survey collected in August 2022. The raw file name is Wilcox_FDEM_PrimaryFieldCollection.gbf Producer defined Original_profile_number Identifier for the original profile number on which the data point was collected as documented in the raw data file. Producer Defined 0 16 unitless 1 Sample Identifier for the data point within the measured profile. The "Sample" value has been modified relative to the value for "Sample" in the corresponding raw data file. The first data point in each collection survey starts at "1" and increases incrementally (by 1) for each subsequent data point until the end of the collection survey. Producer Defined 1 10168 unitless 1 Milliseconds The time of the day in milliseconds at which the data point was measured. Producer Defined 401.5 86,399,901.5 milliseconds 0.1 Time Time of the day at which the data point was measured in hhmmss.ss format where hh is the two-digit numerical hour, mm is the two-digit numerical minute, and ss.ss is the 4-digit numerical decimal second. Leading zeroes (representing hours and, in some cases, minutes) are not retained. Producer Defined 0.40 235959.90 hhmmss.ss 0.01 Latitude The latitude of the specified data point in decimal degrees based on the World Geodetic System 1984 datum. Producer Defined 35.839237 35.842951 decimal degrees 0.000001 Longitude The longitude of the specified data point in decimal degrees based on the World Geodetic System 1984 datum. Producer Defined -96.386976 -96.382866 decimal degrees 0.000001 Easting The easting in meters of the specified data point based on the North American Datum of 1983 and the Universal Transverse Mercator projection zone 14. Producer Defined 736000.66 736374.91 meters 0.01 Northing The northing in meters of the specified data point based on the North American Datum of 1983 and the Universal Transverse Mercator projection zone 14. Producer Defined 3969278.16 3969684.14 meters 0.01 Altitude The land-surface altitude of the specified data point in feet above North American Vertical Datum of 1988. Producer Defined 784.9 811.3 feet 0.1 Mark Identifier for locations along the profile where the operator notified the collection unit of a notable feature while collecting data. Notable features are items that are visible to the operator that may result in a disturbance to the data being collected, such as metal or powerlines. Producer Defined -- No notable feature at land surface identified by the unit operator. Producer defined X A notable feature at land surface was identified by the unit operator. Producer defined Res_depth_01 The depth in feet below land surface (from the inverse modeling results of the frequency domain electromagnetic data) for data point 1 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 0.3 4.9 feet 0.1 Res_depth_02 The depth in feet below land surface (from the inverse modeling results of the frequency domain electromagnetic data) for data point 2 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 1.0 14.8 feet 0.1 Res_depth_03 The depth in feet below land surface (from the inverse modeling results of the frequency domain electromagnetic data) for data point 3 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 1.6 24.6 feet 0.1 Res_depth_04 The depth in feet below land surface (from the inverse modeling results of the frequency domain electromagnetic data) for data point 4 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 2.3 34.4 feet 0.1 Res_depth_05 The depth in feet below land surface (from the inverse modeling results of the frequency domain electromagnetic data) for data point 5 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 3.0 44.3 feet 0.1 Res_depth_06 The depth in feet below land surface (from the inverse modeling results of the frequency domain electromagnetic data) for data point 6 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 3.6 54.1 feet 0.1 Res_depth_07 The depth in feet below land surface (from the inverse modeling results of the frequency domain electromagnetic data) for data point 7 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 4.3 64.0 feet 0.1 Res_depth_08 The depth in feet below land surface (from the inverse modeling results of the frequency domain electromagnetic data) for data point 8 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 4.9 73.8 feet 0.1 Res_depth_09 The depth in feet below land surface (from the inverse modeling results of the frequency domain electromagnetic data) for data point 9 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 5.6 83.7 feet 0.1 Res_depth_10 The depth in feet below land surface (from the inverse modeling results of the frequency domain electromagnetic data) for data point 10 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 11.0 93.5 feet 0.1 Res_alt_01 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the frequency domain electromagnetic data) for data point 1 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 801.9 806.5 feet 0.1 Res_alt_02 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the frequency domain electromagnetic data) for data point 2 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 792.0 805.8 feet 0.1 Res_alt_03 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the frequency domain electromagnetic data) for data point 3 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 782.2 805.2 feet 0.1 Res_alt_04 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the frequency domain electromagnetic data) for data point 4 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 772.4 804.5 feet 0.1 Res_alt_05 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the frequency domain electromagnetic data) for data point 5 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 762.5 803.8 feet 0.1 Res_alt_06 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the frequency domain electromagnetic data) for data point 6 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 752.7 803.2 feet 0.1 Res_alt_07 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the frequency domain electromagnetic data) for data point 7 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 742.8 802.5 feet 0.1 Res_alt_08 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the frequency domain electromagnetic data) for data point 8 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 733.0 801.9 feet 0.1 Res_alt_09 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the frequency domain electromagnetic data) for data point 9 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 723.1 801.2 feet 0.1 Res_alt_10 The altitude in feet above North American Vertical Datum of 1988 (from the inverse modeling results of the frequency domain electromagnetic data) for data point 10 at the specified "Sample" position along the profile indicated by "Profile_number." Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 713.3 795.8 feet 0.1 Res_value_01 The resistivity value in ohm-meters (from the inverse modeling results of the frequency domain electromagnetic data) for data point 1 at the specified "Sample" position along the profile indicated by "Profile_number." The inversion program limits the maximum value to 2,000 ohm-meters. Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 3.25 2000 ohm-meters 0.01 Res_value_02 The resistivity value in ohm-meters (from the inverse modeling results of the frequency domain electromagnetic data) for data point 2 at the specified "Sample" position along the profile indicated by "Profile_number." The inversion program limits the maximum value to 2,000 ohm-meters. Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 1.15 2000 ohm-meters 0.01 Res_value_03 The resistivity value in ohm-meters (from the inverse modeling results of the frequency domain electromagnetic data) for data point 3 at the specified "Sample" position along the profile indicated by "Profile_number." The inversion program limits the maximum value to 2,000 ohm-meters. Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 0.430 2000 ohm-meters 0.001 Res_value_04 The resistivity value in ohm-meters (from the inverse modeling results of the frequency domain electromagnetic data) for data point 4 at the specified "Sample" position along the profile indicated by "Profile_number." The inversion program limits the maximum value to 2,000 ohm-meters. Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 0.241 2000 ohm-meters 0.001 Res_value_05 The resistivity value in ohm-meters (from the inverse modeling results of the frequency domain electromagnetic data) for data point 5 at the specified "Sample" position along the profile indicated by "Profile_number." The inversion program limits the maximum value to 2,000 ohm-meters. Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 0.212 2000 ohm-meters 0.001 Res_value_06 The resistivity value in ohm-meters (from the inverse modeling results of the frequency domain electromagnetic data) for data point 6 at the specified "Sample" position along the profile indicated by "Profile_number." The inversion program limits the maximum value to 2,000 ohm-meters. Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 0.202 2000 ohm-meters 0.001 Res_value_07 The resistivity value in ohm-meters (from the inverse modeling results of the frequency domain electromagnetic data) for data point 7 at the specified "Sample" position along the profile indicated by "Profile_number." The inversion program limits the maximum value to 2,000 ohm-meters. Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 0.249 2000 ohm-meters 0.001 Res_value_08 The resistivity value in ohm-meters (from the inverse modeling results of the frequency domain electromagnetic data) for data point 8 at the specified "Sample" position along the profile indicated by "Profile_number." The inversion program limits the maximum value to 2,000 ohm-meters. Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 0.210 2000 ohm-meters 0.001 Res_value_09 The resistivity value in ohm-meters (from the inverse modeling results of the frequency domain electromagnetic data) for data point 9 at the specified "Sample" position along the profile indicated by "Profile_number." The inversion program limits the maximum value to 2,000 ohm-meters. Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 0.274 2000 ohm-meters 0.001 Res_value_10 The resistivity value in ohm-meters (from the inverse modeling results of the frequency domain electromagnetic data) for data point 10 at the specified "Sample" position along the profile indicated by "Profile_number." The inversion program limits the maximum value to 2,000 ohm-meters. Producer Defined -999 The value was assumed to be anomalous and was removed from the final results. Producer defined 0.201 2000 ohm-meters 0.001 Fit_error The percent difference (from the inverse modeling results of the in-phase and quadrature data for the data point) between the measured in-phase and quadrature values and the modeled in-phase and quadrature values. Producer Defined 0.36 93.46 percent 0.01 Files pertaining to this dataset are listed as follows: Wilcox_ERT_Raw_data.zip - Zip folder containing the raw data files for the electrical resistivity tomography data. Wilcox_ERT_Inverse_modeling.zip - Zip folder containing the files used for the inverse modeling of the electrical resistivity tomography data. Wilcox_FDEM_Raw_data.zip - Zip folder containing the raw data files for the frequency domain electromagnetic data. Wilcox_FDEM_Inverse_modeling.zip - Zip folder containing the files used for the inverse modeling of the frequency domain electromagnetic data. Wilcox_ERT_GPS.csv - Comma Separated Value (CSV) file containing the geospatial data for electrodes in the electrical resistivity tomography profiles. Wilcox_ERT_data_final.csv - Comma Separated Value (CSV) file containing the final filtered and processed inverse modeling results of the electrical resistivity tomography data. Wilcox_FDEM_ReconCollection_GPS_routes.csv - Comma Separated Value (CSV) file containing the geospatial data for the reconnaissance frequency domain electromagnetic data. Wilcox_FDEM_GPS_LevelingStation.csv - Comma Separated Value (CSV) file containing the geospatial data for the frequency domain electromagnetic leveling stations. Wilcox_FDEM_data_final.csv - Comma Separated Value (CSV) file containing the final filtered and processed inverse modeling results of the frequency domain electromagnetic data. Wilcox_SurfaceGeophysics_meta.xml - Metadata file containing data quality information, processing steps, entity and attributes information, and other pertinent information. Wilcox_SurfaceGeophysics_meta.xml GS ScienceBase U.S. Geological Survey mailing address

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