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Federal
Digital subsurface database of previously published well tops, structural features, and contour maps of the Inyan Kara Group, Minnekahta Formation, Minnelusa Formation, Madison Group, and Deadwood Formation, Black Hills region, South Dakota and Wyoming
Department of the Interior —
This digital data release presents multiple previously published elements of the structural configuration of the Black Hills regional subsurface. The original data... -
Federal
Red River alluvial aquifer datasets of the Hydrogeologic framework of the Red River alluvial aquifer and Carrizo-Wilcox aquifer in northwestern Louisiana
Department of the Interior —
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... -
Federal
Digital Data from Previously Published Contour Data Showing the Altitude of the Base of Dakota Sandstone on the Colorado Plateau, Arizona, Colorado, New Mexico, and Utah
Department of the Interior —
This geologic map database compiles, in digital form, geologic data previously published as printed maps showing the altitude of the base of Dakota Sandstone and... -
Federal
Geospatial geologic structural datasets, Chattanooga Shale, Wells Creek Dolomite, and Knox Group, Tennessee, USA
Department of the Interior —
Data about the top and bottom altitude, depth from land surface and/or the thickness of three geologic units in Tennessee were converted into geospatial format for... -
Federal
Chattanooga Shale: geospatial geologic structural datasets in Tennessee
Department of the Interior —
The Chattanooga Shale is relatively thin and generally continuous across the state, making it an important geologic horizon. In Tennessee, the Chattanooga Shale crops... -
Federal
Knox Group: geospatial geologic structural datasets in Tennessee
Department of the Interior —
The Knox Dolomite is currently recognized as the Knox Group. The Mascot Dolomite, the upper unit of the Knox Group, is dolomite and dolomitic limestone of Lower-... -
Federal
Digital database of the previously published Geologic map of the Limon quadrangle, Colorado and Kansas
Department of the Interior —
This digital data release contains geospatial geologic and paleontological data of the 1° x2 °, 1:250,000 Limon quadrangle covering eastern Colorado and western... -
Federal
Digital hydrogeologic framework model of the Upper Colorado River Basin, western U.S.
Department of the Interior —
This digital dataset was created as part of a U.S. Geological Survey hydrologic resource assessment and development of an integrated numerical hydrologic model of the... -
Federal
Digital database of the previously published geologic map of the O'Neill 1x2 degree quadrangle, Nebraska
Department of the Interior —
This digital data release contains geospatial data for the geologic map of the O’Neill 1 degree by 2 degree geologic map in Nebraska, originally published in 2008 by... -
Federal
Digital subsurface data from USGS Regional Aquifer System Analysis of the San Juan basin and adjacent areas, Utah, Colorado, Arizona, and New Mexico
Department of the Interior —
The San Juan basin is a significant physical and structural element in the southeastern part of the Colorado Plateau physiographic province. The San Juan basin is in... -
Federal
Digital subsurface database of elevation point data and structure contour maps of multiple subsurface units, Powder River Basin, Wyoming and Montana, USA
Department of the Interior —
This digital data release presents subsurface data from multiple geologic units that were part of a previous study of the regional subsurface structural configuration... -
Federal
Digital data from previous USGS hydrogeologic studies of the Cambrian-Ordovician aquifer system in the northern Midwest, United States
Department of the Interior —
This dataset captures in digital form previously published maps showing the inferred extent and subsurface elevation of several Paleozoic consolidated rock units in... -
Federal
Digital subsurface data from previously published contoured maps of the top of the Dakota Sandstone, Uinta and Piceance basins, Utah and Colorado
Department of the Interior —
The top of the Upper Cretaceous Dakota Sandstone is present in the subsurface throughout the Uinta and Piceance basins of UT and CO and is easily recognized in the... -
Federal
Structure contours on top of the Pictured Cliffs Sandstone, San Juan Basin, NM and CO (sjbstrcg)
Department of the Interior —
This is a shapefile of the structure contours on top of the Pictured Cliffs Sandstone, San Juan Basin Colorado and New Mexicoa. -
Federal
Digital data from previous USGS hydrogeologic studies of the Cambrian-Ordovician aquifer system in the northern Midwest, United States
Department of the Interior —
This dataset captures in digital form previously published maps showing the inferred extent and subsurface elevation of several Paleozoic consolidated rock units in... -
Federal
Digital subsurface data of Paleozoic rocks in the Upper Colorado River Basin in Wyoming, Utah, Colorado, Arizona, and New Mexico from USGS Regional Aquifer System Analysis
Department of the Interior —
The Upper Colorado River Basin has a drainage area of about 113,500 square miles in western Colorado, eastern Utah, southwestern Wyoming, northeastern Arizona, and... -
Federal
Elevation of top of Precambrian rocks from previous USGS studies of the Colorado Plateau
Department of the Interior —
For use as part of a regional petroleum assessment, the USGS in the early 1990’s developed a dataset reporting elevation on the surface of the Precambrian basement of... -
Federal
Structure contours on top of the Trout Creek Sandstone, Yampa coal field, CO (yamstrcg)
Department of the Interior —
This is a shapefile of the structure contours on top of the Trout Creek Sandstone Mbr.in the Yampa coal field, northwestern Colorado. -
Federal
Digital database of structure contour and isopach maps of multiple subsurface units, Michigan and Illinois Basins, USA
Department of the Interior —
This digital data release presents contour data from multiple subsurface geologic horizons as presented in previously published summaries of the regional subsurface... -
Federal
Digital subsurface data from previously published maps of the base and thickness of post-Eocene continental deposits in the Sacramento Valley, California
Department of the Interior —
Post-Eocene (predominantly Pliocene) continental sedimentary rocks of the Sacramento Valley, CA are up to 1,200 m thick beneath the valley. These rocks contain most...