Digitized Contours of Georeferenced Plate from "Potentiometric maps of the Sparta Sand, northern Louisiana and southern Arkansas, 1900, 1965, 1975, and 1980" (version 1.1, April 2021)
Dates
Publication Date
2019-04-30
Time Period
1980-12-05
Revision
2020-11-18
Citation
Wacaster, S.R., and Westerman, D.A., 2019, Digitized Maps of the Potentiometric Surface of the Sparta Aquifer in North-Central Louisiana, 1886 to 2012 (version 1.1, April 2021): U.S. Geological Survey data release, https://doi.org/10.5066/F7CN7348.
Summary
The potentiometric surface of the Sparta Sand in northern Louisiana is shown by contours on four maps. Maps for 1900, 1965 , and spring 1975 are generalized, small-scale maps from previously published reports. First release: April 2019; revised April 2021 (version 1.1). The previous version can be obtained by contacting the USGS Lower Mississippi-Gulf Water Science Center using the "Point of Contact" link on the landing page on ScienceBase. Ryals, G. N., 1980, Potentiometric maps of the Sparta Sand, northern Louisiana and southern Arkansas, 1900, 1965, 1975, and 1980: U.S. Geological Survey Open-File Report 80-1180, 1 sheet, https://doi.org/10.3133/ofr801180
Summary
The potentiometric surface of the Sparta Sand in northern Louisiana is shown by contours on four maps. Maps for 1900, 1965 , and spring 1975 are generalized, small-scale maps from previously published reports.
First release: April 2019; revised April 2021 (version 1.1). The previous version can be obtained by contacting the USGS Lower Mississippi-Gulf Water Science Center using the "Point of Contact" link on the landing page on ScienceBase.
Ryals, G. N., 1980, Potentiometric maps of the Sparta Sand, northern Louisiana and southern Arkansas, 1900, 1965, 1975, and 1980: U.S. Geological Survey Open-File Report 80-1180, 1 sheet, https://doi.org/10.3133/ofr801180
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Purpose
These data were digitized as part of the United States Geological Survey (USGS) Sparta Aquifer Water Availability Study. Data presented are the digitized contours from georeferenced plate from OFR 80-1180 showing Potentiometric surface of the Sparta Sand, northern Louisiana (about 1900) by Ryals, 1980.
