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Hydrogeologic contacts from:
Teeple, A.P., Thomas, J.V., Payne, J.D., Ikard, S.J., Wallace, D.S., Houston, N.A., and Kraske, K.A., 2018, Data used to assess the hydrogeologic framework with emphasis on the Ogallala and Edwards-Trinity aquifers, in and near Gaines, Terry, and Yoakum Counties, Texas, 2018: U.S. Geological Survey data release, https://doi.org/10.5066/F7F47NFC.
Recent (2005-15) and early (1930-60) water levels, dissolved solids, nitrates, flow paths, potentiometric contours, water level changes, and downdip extent from:
Thomas, J.V., Teeple, A.P., Payne, J.D., and Ikard, Scott, 2016, Changes between early development (1930–60) and recent (2005–15) groundwater-level altitudes and dissolved-solids and nitrate concentrations in and near Gaines, Terry, and Yoakum Counties, Texas: U.S. Geological Survey Scientific Investigations Map 3355, 2 sheets, pamphlet, http://dx.doi.org/10.3133/sim3355.
2014-16 water quality data available from:
U.S. Geological Survey, 2016, National Water Information System data available on the World Wide Web (USGS Water Data for the Nation), at URL [http://waterdata.usgs.gov/nwis/].
DOI for NWIS : http://dx.doi.org/10.5066/F7P55KJN
Original Texas Land Survey Sections from:
Railroad Commission of Texas, 2014, Surveys, 1st Edition: accessed December 14, 2015 at https://tnris.org/data-download/#!/statewide. |