Pugh, A.L. Redman, R.K. 2019 Spatial Data: Study watershed delineations (shapefiles) Data Release U.S. Geological Survey http://dx.doi.org/10.5066/F7BC3WNX https://doi.org/10.3133/ds1104 Seventeen streamflow-gageing stations, operated by the U.S. Geological Survey and distributed across the Ouachita Mountains of Arkansas and Oklahoma were selected for analysis. This child item includes a geographic information system polygon shapefile of the watersheds delineated above the study site locations. (OuachitaWatersheds) These data support the following publication: Pugh, A.L., and Redman, R.K., 2019, Regional hydraulic geometry characteristics of stream channels in the Ouachita Mountains of Arkansas: U.S. Geological Survey Data Series 1104, 25 p., https://doi.org/10.3133/ds1104 2001 2016 publication date Complete None planned -94.633483886561 -91.837463378855 35.263204615158 34.229609065849 USGS Thesaurus Geomorphology Bankfull Hydraulic Geometry Regional Curves Stream Classification Bed-load USGS Metadata Identifier USGS:58f77200e4b0b7ea5451f00a Geographic Names Information System Arkansas Oklahoma Ouachita Mountains Big Fork Stream, AR Lewis Creek, AR Mountain Fork, OK Barnes Branch, AR Little Sugarloaf Creek, AR Jackson Creek, AR Glazypeau Creek, AR Rock Creek, AR Twomile Creek, AR Alum Fork Saline River, AR Kiamichi River, OK Little Missouri River, AR Cossatot River, AR Caddo River, AR Fouche LaFave River, AR Saline River, AR Please see ‘Distribution Info’ for details. Any user who modifies the data is obligated to describe the types of modifications they perform. Data have been checked to ensure the accuracy. 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. Acknowledgment of the U.S. Geological Survey would be appreciated in products derived from these data. User specifically agrees not to misrepresent the data, nor to imply that changes made were approved or endorsed by the U.S. Geological Survey. Please refer to http://www.usgs.gov/privacy.html for the USGS disclaimer. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Aaron L. Pugh U.S. Geological Survey, Lower Mississippi-Gulf Water Science Center Hydrologist mailing and physical

401 Hardin Road

Little Rock Arkansas 72211 United States 501-228-3653 apugh@usgs.gov Prepared in cooperation with the Little Rock District of the US Army Corps of Engineers and the Arkansas Natural Resources Commission No formal attribute accuracy tests were conducted No formal logical accuracy tests were conducted Data set 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 No formal positional accuracy tests were conducted Watershed delineations and basin characteristics created using USGS StreamStats web map application and combined using ArcGIS to create single polygon shapefile. 2016 The Ouachita Mountains are located in west-central and central Arkansas and south-eastern Oklahoma, extending approximately 225 miles east to west from east of Little Rock, Arkansas, to Atoka, Oklahoma, and north to south, approximately 50-60 miles from the Arkansas River Valley to the northern margin of the West Gulf Coastal Plain. Physiographically, the Ouachitas are located within the Ouachita Mountains physiographic section (Fenneman, 1938). The Ouachita Mountains physiographic section generally aligns with the Ouachita Mountains - Level III U.S. Environmental Protection Agency (EPA) ecoregion (Omernik, 1987). References Fenneman, N.M., 1938, Physiography of the eastern United States: New York, McGraw-Hill Book Co., Inc., 689 p. Omernik, J.M., 1987, Ecoregions of the conterminous United States, map (scale 1:7,500,000): Annals of the Association of American Geographers, v. 88, no. 1, p. 118–125. Point 0.001 0.001 Decimal degrees North American Datum 1983 GRS 1980 6378137.0 298.257222101 North American Vertical Datum of 1988 0.06 feet Explicit elevation coordinate included with horizontal coordinates Shapefile of selected watershed delineations. 17 watershed delineations above the selected USGS streamflow-gaging stations. Aaron Pugh Child 2) Watersheds Producer defined Watershed delineations and basin characteristics for the 17 study sites. ScienceBase U.S. Geological Survey - ScienceBase mailing and physical

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Denver CO 80225 United States 1-888-275-8747 sciencebase@usgs.gov Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this information product, for the most part, is in the public domain, it also contains copyrighted materials as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner whenever applicable. The data have been approved for release and publication by the U.S. Geological Survey (USGS). Although the data have been subjected to rigorous review and are substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, the data are released on the condition that neither the USGS nor the U.S. Government may be held liable for any damages resulting from authorized or unauthorized use. Although the data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty expressed or implied is made regarding the display 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. The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and/or contained herein. Users of the data are advised to read all metadata and associated documentation thoroughly to understand appropriate use and data limitations. 20200821 Aaron L. Pugh U.S. Geological Survey, Lower Mississippi-Gulf Water Science Center Hydrologist mailing and physical

401 Hardin Road

Little Rock Arkansas 72211 United States 501-228-3653 apugh@usgs.gov Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998