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Found 502 dataset(s) matching "aquifer base".
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This digital data set consists of contours for 1980 water-level elevations for the High Plains aquifer in the central United States. The High Plains aquifer extends from south of 32 degrees to...
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The hydrogeologic framework for the Lake Michigan Basin model was developed by grouping the bedrock geology of the study area into hydrogeologic units on the basis of the functioning of each...
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The glacial aquifer system of the United States encompasses all or parts of 25 states and is the most widely used supply of drinking water in the Nation (Maupin and Barber, 2005; Maupin and...
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This data set consists of digital aquifer boundaries for the alluvial and terrace deposits along the Beaver-North Canadian River from the panhandle to Canton Lake in northwestern Oklahoma. Ground...
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This data set consists of digital hydraulic conductivity values for the alluvial and terrace deposits along the Beaver-North Canadian River from the panhandle to Canton Lake in...
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This digital data set consists of boundaries for areas of little or no saturated thickness within the High Plains aquifer in the central United States. The High Plains aquifer extends from south...
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This digital data set consists of contours of predevelopment to 1980 water-level elevation changes for the High Plains aquifer in the central United States. The High Plains aquifer extends from...
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This digital data set consists of hydraulic conductivity contours and polygons for the High Plains aquifer in the central United States. The High Plains aquifer extends from south of 32 degrees...
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This digital data set consists of saturated thickness contours for the High Plains aquifer in the central United States. The High Plains aquifer extends from south of 32 degrees to almost 44...
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This digital data set consists of faults for the High Plains aquifer in the central United States. The High Plains aquifer extends from south of 32 degrees to almost 44 degrees north latitude and...
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This digital data set consists of specific yield percentage contours and polygons for the High Plains aquifer in the central United States. The High Plains aquifer extends from south of...
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This digital data set consists of contours for predevelopment water-level elevations for the High Plains aquifer in the central United States. The High Plains aquifer extends from south of 32...
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This vector data set delineates the approximate boundary of the Eagle River watershed valley-fill aquifer (ERWVFA). This data set was developed by a cooperative project between the U.S....
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This data set consists of digital polygons of a constant recharge value for the alluvial and terrace deposits along the Beaver-North Canadian River from the panhandle to Canton Lake...
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This data set consists of digital aquifer boundaries for the High Plains aquifer in western Oklahoma. This area encompasses the panhandle counties of Cimarron, Texas, and Beaver, and the western...
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MODFLOW-2000 was used within the AnalyzeHOLE program--an integrated wellbore flow analysis tool (https://doi.org/10.3133/tm4F2)--to simulate the 2-D radial flow to each of six wells within three...
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This data set consists of digital aquifer boundaries for the alluvial and terrace deposits along the North Canadian River from Canton Lake to Lake Overholser in central Oklahoma. Ground water in...
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The glacial aquifer system of the United States encompasses all or parts of 25 states and is the most widely used supply of drinking water in the Nation (Maupin and Barber, 2005; Maupin and...
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A new groundwater flow model for western Chippewa County, Wisconsin has been developed by the Wisconsin Geological and Natural History Survey (WGNHS) and the U.S. Geological Survey (USGS). An...
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The U.S. Geological Survey (USGS) in cooperation with the Miami Conservancy District, Dayton, Ohio, in 2019 and 2020 investigated the occurrence of per- and polyfluoroalkyl substances (PFAS) in...
