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Digitized Contours from Georeferenced Plate 2001 from "Status of water levels and selected water-quality conditions in the Sparta-Memphis aquifer in Arkansas and the Sparta aquifer in Louisiana, spring-summer 2001" (Schrader, 2004)

Organization: Department of the Interior
Updated: 20221201 | Harvested: July 18, 2025 at 01:04 AM

During the spring of 2001, water levels were measured in 427 wells in the Sparta-Memphis aquifer in Arkansas and the Sparta aquifer in Louisiana. Water-quality samples were collected for...

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Red River alluvial aquifer datasets of the Hydrogeologic framework of the Red River alluvial aquifer and Carrizo-Wilcox aquifer in northwestern Louisiana

Organization: Department of the Interior
Updated: 20230222 | Harvested: July 18, 2025 at 03:19 AM

This dataset includes the surficial extent of the Red River alluvial aquifer, cross-section wells within the Red River alluvial surficial extent, Red River alluvial aquifer base contours and...

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Datasets of the hydrogeologic framework of the Red River alluvial aquifer and Carrizo-Wilcox aquifer in northwestern Louisiana

Organization: Department of the Interior
Updated: 20230222 | Harvested: July 18, 2025 at 03:45 AM

Datasets include hydrogeologic cross section wells within the Red River alluvial aquifer surficial extent, Red River alluvial aquifer base contours and wells, isopach map showing combined...

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Georeferenced Plate 1 Figure 3, 1996, from "Hydrogeology and Potentiometric Surface of the Sparta Aquifer in Northern Louisiana, October 1996" (Brantly, Seanor, and McCoy, 2002)

Organization: Department of the Interior
Updated: 20200925 | Harvested: July 18, 2025 at 12:49 AM

This report describes the thickness and areal extent of the Sparta aquifer, identifies sands within the fresh-water extent of the aquifer, and presents data and a map that illustrate the...

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Digitized Contours from Georeferenced Plate 1996 from "Louisiana Ground-Water Map No. 13: Hydrogeology and Potentiometric Surface of the Sparta Aquifer in Northern Louisiana, October 1996" (Brantly, Seanor, and McCoy 2002)

Organization: Department of the Interior
Updated: 20221201 | Harvested: July 18, 2025 at 01:07 AM

This report describes the thickness and areal extent of the Sparta aquifer, identifies sands within the fresh-water extent of the aquifer, and presents data and a map that illustrate the...

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Georeferenced Plate 1 Figure 2, 1996, from "Hydrogeology and Potentiometric Surface of the Sparta Aquifer in Northern Louisiana, October 1996" (Brantly, Seanor, and McCoy, 2002)

Organization: Department of the Interior
Updated: 20200925 | Harvested: July 18, 2025 at 12:45 AM

This report describes the thickness and areal extent of the Sparta aquifer, identifies sands within the fresh-water extent of the aquifer, and presents data and a map that illustrate the...

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Digitized Contours from Georeferenced Plate 1989 from "Louisiana ground-water map no. 3: Potentiometric surface, 1989, and water-level changes, 1980-89, of the Sparta aquifer in north-central Louisiana" (Smoot and Seanor, 1991)

Organization: Department of the Interior
Updated: 20221201 | Harvested: July 18, 2025 at 01:01 AM

The Sparta aquifer is the principal source of ground water in north-central Louisiana. In 1985, the aquifer was extensively pumped for public supply (25 Mgal/d) and industrial use (29 Mgal/d and 7...

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Digitized Contour from Georeferenced Plate 2005 from "Status of Water Levels and Selected Water-Quality Conditions in the Sparta-Memphis Aquifer in Arkansas and the Status of Water Levels in the Sparta Aquifer in Louisiana, Spring 2005" (Schrader and Jones, 2007; version 1.1, April 2021)

Organization: Department of the Interior
Updated: 20221201 | Harvested: July 18, 2025 at 01:06 AM

The U.S. Geological Survey in cooperation with the Arkansas Natural Resources Commission, the Arkansas Geological Commission, and the Louisiana Department of Transportation and Development has...

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Groundwater Quality Data of the Chicot aquifer system

Organization: Department of the Interior
Updated: 20211229 | Harvested: July 16, 2025 at 12:54 PM

This dataset contains digitized groundwater quality data from 435 wells that are screened in the Chicot aquifer system. Reported values of interest included specific conductance, total dissolved...

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