Bedinger, M.S. Harrill, J.S. 2006 vector digital data Digital geospatial data sets for the hydrogeologic framework and transient ground-water flow model, Death Valley regional ground-water flow system, Nevada and California regpot_deepwl_sir045205 Reston, Virginia U.S. Geological Survey https://water.usgs.gov/lookup/getspatial?sir045205_regpot_deepwl Belcher, W.R. and Sweetkind, D.S. (editors) 2010 U.S. Geological Survey Professional Paper 1711 Reston, Virginia U.S. Geological Survey 6 chapters, 2 appendices, 2 plates, 403 p. http://pubs.er.usgs.gov/publication/pp1711 Belcher, W.R. (editor) 2004 U.S. Geological Survey Scientific Investigations Report 2004-5205 Reston, Virginia U.S. Geological Survey 6 chapters, 2 appendices, 2 plates, 408 p. https://pubs.usgs.gov/sir/2004/5205/ This digital geospatial data set is a compilation of reference points representing wells deeper than 300 meters in Nevada that were used for the regional ground-water potential map by Bedinger and Harrill (2004). The regional ground-water-potential map was developed to assess potential interbasin flow in the Death Valley regional ground-water flow system (DVRFS), a 100,000 square-kilometer region of southern Nevada and California. To obtain an adequate network of control points, Bedinger and Harrill (2004) used regional potential altitudes derived from surface-water features, ground-water levels, topographic settings and springs in addition to the deep well data. A set of general guidelines was developed to relate regional ground-water potential to these more readily observed surface and near-surface ground-water levels and to hydrologic characteristics of ground-water basins in the DVRFS (see "Larger Work Citation", Appendix 1). The reference wells and the DVRFS regional ground-water potential map by Bedinger and Harrill (2004) were used to delineate areas outside the DVRFS transient model domain that contribute ground-water flow to the model, and to estimate the regional hydraulic gradient and the amount of ground-water flow across the lateral DVFRS model boundary (see "Larger Work Citation", Appendix 1 and 2). The reference wells for the regional ground-water potential map by Bedinger and Harrill (2004) is one of many layers in a geospatial database supporting the USGS DVRFS project. During this 5-year (1998-2004) project the USGS, in cooperation with DOE and other Federal, State, and local agencies, developed this geospatial database for a regional-scale, 3D hydrogeologic framework model (HFM) and a ground-water flow model. The models are intended to address water-resource issues and the potential movement of radioactive material from the Nevada Test Site and the proposed high-level nuclear waste repository at Yucca Mountain, Nevada. Data from two previous ground-water flow models of the greater Death Valley region (see "Larger Work Citation", Chapter A, p. 7) were the foundation of the DVRFS geospatial database. Those and other data were reexamined through a series of regional-scale hydrologic investigations to provide updated and spatially consistent interpretations for the DVRFS study. In some cases, new data were collected to augment the existing information. Data compiled from the studies include natural ground-water discharge occurring through evapotranspiration and spring flow; ground-water pumping for the period 1913-98; ground-water recharge simulated as net infiltration; ground-water inflow and outflow at lateral model boundaries; hydraulic conductivity and its relation to depth and other rock properties; and the estimation of water levels representative of prepumped and pumped conditions in the region. Digital elevation models, geologic maps, borehole information, cross sections, and other 3D models were used to develop the HFM which represents the geometry of 27 hydrogeologic units and structural features. The resulting geospatial database supports characterization and conceptualization of the DVRFS, construction of 3D hydrogeologic framework and ground-water flow models, and visualization of analysis and model results. 2004 publication date Complete None planned -116.834712 -114.825879 39.509806 36.315590 USGS Thesaurus Death Valley regional ground-water flow system evapotranspiration flow model ground water ground-water discharge ground-water pumping ground-water recharge hydraulic conductivity hydraulic head hydraulic-head observation hydrogeologic framework model hydrogeology hydrology lateral ground-water flow lateral ground-water model boundary net infiltration spring flow steady state ground-water model transient ground-water model water level water well USGS Metadata Identifier USGS:166682f9-da67-4c6e-93a2-aa5be7f251ac U.S. Board of Geographic Names (BGN) and Geographic Names Information System (GNIS) Amargosa Desert Ash Meadows California Valley Chicago Valley China Ranch Clark County Clayton Valley Coal Valley Death Valley eastern California Esmeralda County Eureka Valley Franklin Lake Garden Valley Inyo County Kern County Las Vegas Valley Lincoln County Mesquite Valley Mineral County Mono County Nevada Nevada Test Site Nye County Oasis Valley Owlshead Mountains Pahranagat Range Pahrump Valley Panamint Range Penoyer Valley Railroad Valley Resting Spring Saline Valley San Bernardino County Sarcobatus Flat Sheep Range Shoshone Silurian Valley southern Nevada Spring Mountains Stewart Valley Stone Cabin Valley Tecopa Yucca Mountain California Franklin Well None Data have been checked to ensure the accuracy of the data. If any errors are detected, please notify the originating office. The U.S. Geological Survey strongly recommends that careful attention be paid to the metadata file associated with these data. The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and (or) contained herein. Acknowledgement of the U.S. Geological Survey would be appreciated in products derived from these data. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this Federal Geographic Data Committee-compliant metadata file is intended to document the data set in nonproprietary form, as well as in ArcGIS format, this metadata file may include some ArcGIS-specific terminology. U.S. Geological Survey Wayne R. Belcher mailing and physical address

160 N. Stephanie Street

Henderson Nevada 89074 USA (702) 564-4609 (702) 564-4600 wbelcher@usgs.gov https://water.usgs.gov/GIS/browse/sir045205_regpot_deepwl.jpg Illlustration of data set jpg Spatial data sets supporting the Death Valley regional ground-water flow system (DVRFS) project were developed in cooperation with the U.S. Department of Energy (DOE) National Nuclear Security Administration/Nevada Site Office (NNSA/NSO) Underground Test Area (UGTA) project of the Office of Environmental Management, the NNSA/NSO Hydrologic Resource Management Program (HRMP), the Office of Civilian Radioactive Waste Management (OCRWM) Yucca Mountain Project (YMP), the NNSA/NSO Maintenance of Test Capability (MTC) program, and the National Park Service (NPS). Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.1.0.722 Attributes added by the GIS and the data set author were checked by inspection using a GIS. In addition, attributes were checked and evaluated as part of the review process associated with the publication of the source report. All points are represented by a single coordinate pair reprenting the location of a well. Coincident points may represent the locations of multiple piezometers in a single well, multiple completions within a single well, or wells that are in close proximity. The point features in this data set were compiled from multiple sources by Bedinger and Harrill (2004). The data set is complete and is not anticipated to change. The accuracy of the compiled digital point features in the data set is based upon the accuracy of source maps and digital data sets which generally are compiled to meet National Map Accuracy Standards. Horizontal positional accuracy was tested by visually comparing these line features to source maps using a GIS and hardcopy plots. Bedinger, M.S. Harrill, J.R 2004 map Appendix 1, p. 353 - 374. Belcher, W.R. (ed.) 2004 document U.S. Geological Survey Scientific Investigations Report 2004-5205 Reston, Virginia U.S. Geological Survey http://water.usgs.gov/pubs/sir/2004/5205/ 650,000 online 2004 publication date Bedinger and Harrill (2004) Source data Selected reference points representing wells deeper than 300 meters in the Nevada portion of the DVRFS were compiled from source documents into spreadsheets (see Bedinger and Harrill, 2004, p. 373-374 for source document citations). The reference points were assigned a unique identification number and attributed with descriptive information including an estimate of regional ground-water potential. The data were imported into a GIS and base maps displaying the reference points and the regional potential values were produced. Bedinger and Harrill (2004) hand-contoured these data to produce a regional ground-water potential map for the DVRFS (see Larger Work Citation, plate 1). Bedinger and Harrill (2004) 2004 Vector Entity point 37 Universal Transverse Mercator 11 0.999600 -117.000000 0.000000 500000.000000 0.000000 coordinate pair 0.000512 0.000512 meters North American Datum of 1927 Clarke 1866 6378206.400000 294.978698 regpot_deepwl_sir045205 An excavation (pit, hole, tunnel), generally cylindrical in form and often walled in, that is drilled, dug, driven, bored, or jetted into the ground to such a depth as to penetrate water-yielding geologic material and allow the water to flow or to be pumped to the surface. Nevada Division of Water Planning Dictionary, Technical water, water quality, environmental, and water-related terms. Accessed May 3, 2005 at http://water.nv.gov/Water%20planning/dict-1/wwords-w.pdf. FID Internal feature number. Environmental Systems Research Institute, Inc. (ESRI) Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Coordinates defining the features. MAP_ID Unique well identification number Authors (see Citation Originators) Unique integer identifying each point feature. WELL_NAME Alternate name of well Authors (see Citation Originators) Unique text identifier for each point feature. LATITUDE Latitude coordinate of well reported in decimal degrees Authors (see Citation Originators) 36.3317 39.5055 LONGITUDE Longitude coordinate of well reported in decimal degrees Authors (see Citation Originators) -116.8337 -114.8433 WELL_DEPTH Depth of well (measured in meters below land surface) Authors (see Citation Originators) 206 3086 LS_ELEV_M Land surface altitude (meters) Authors (see Citation Originators) Null 2243 DATE_MEAS Date of water level measurement Authors (see Citation Originators) 1955 1992 DPTH_WTR_M Depth to water (meters) Authors (see Citation Originators) 0 584 REG_POT_M Regional potential altitude (meters) Authors (see Citation Originators) Approximate altitude of regional ground-water potential (meters) REFERENCE Abbreviated citation of source information for well attributes Authors (see Citation Originators) Abbreviated citation; see Source Citation, p. 373-374 for complete citations. Each point feature has 12 attributes. Two attributes are automatically generated by the GIS (FID, Shape) for internal software purposes. The remaining attributes were assigned by the authors (see Citation Originators) for analysis and[or] descriptive purposes. - U.S. Geological Survey Michael Ierardi mailing and physical address

445 National Center

Reston VA 20192 USA 1-888-275-8747 mierardi@usgs.gov Contact via email or phone. Digital geospatial data sets for the transient ground-water flow model and hydrogeologic framework model, Death Valley regional ground-water flow system, Nevada and California Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use with other data. These data should be directly acquired from a U.S. Geological Survey server, and not indirectly through other sources that may have altered the data in some way. Shapefile 1.0 Unzip 20 https://water.usgs.gov/GIS/dsdl/regpot_deepwl_sir045205.zip None 20201117 U.S. Geological Survey mailing address

445 National Center

Reston Virginia 20192 USA 1-888-275-8747 (1-888-ASK-USGS) mierardi@usgs.gov FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998