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Federal
Database for the Surficial Geologic Map of the Charleston Region, Berkeley, Charleston, Colleton, Dorchester, and Georgetown Counties, South Carolina
Department of the Interior —
This database portrays the surface and shallow subsurface geology of the greater Charleston, S.C. region east of 80°30′ west and south of 33°15′ north. The region... -
Federal
Digital subsurface data from USGS Evolution of Sedimentary Basin studies 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
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
Digital subsurface data from previously published contour map of the top of the Wilcox Group, northern Gulf of Mexico coastal region
Department of the Interior —
The lower Paleogene Wilcox Group crops out around the northern edge of the Gulf of Mexico Basin and is a major coal-bearing unit and a primary oil and gas producer in... -
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
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 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
Structure contours on top of the Star Point Sandstone, southern Wasatch Plateau, UT (wsstrcg)
Department of the Interior —
This is a shapefile and ARC/INFO coverage depicting structure contours on top of the Star Point Sandstone, southern Wasatch Plateau, Utah. -
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
Datasets of the hydrogeologic framework of the Red River alluvial aquifer and Carrizo-Wilcox aquifer in northwestern Louisiana
Department of the Interior —
Datasets include hydrogeologic cross section wells within the Red River alluvial aquifer surficial extent, Red River alluvial aquifer base contours and wells, isopach... -
Federal
Preliminary digital data for a 3-layer geologic model of the conterminous United States using land surface, top of bedrock, and top of basement (ver. 1.1, April 2025)
Department of the Interior —
This digital dataset compiles a 3-layer geologic model of the conterminous United States by mapping the altitude of three surfaces: land surface, top of bedrock, 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
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 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... -
Federal
Digital data from previous USGS hydrogeologic studies of the Gulf Coast region, south-central United States
Department of the Interior —
This dataset captures in digital form the results of previously published U.S. Geological Survey (USGS) Water Mission Area studies related to water resource... -
Federal
Surface and subsurface geologic data from previous USGS studies of the Gulf Coast region, south-central United States
Department of the Interior —
This dataset captures in digital form the results of previously published U.S. Geological Survey (USGS) Water Mission Area studies related to water resource... -
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
Digital Database of the Previously Published Geologic and Structure Contour Map of the La Junta Quadrangle, Colorado and Kansas
Department of the Interior —
This digital dataset release of the La Junta, Colorado and Kansas quadrangle is composed of previously published elevation contours, structure contours on the limits... -
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
Digital database of the previously published Geologic maps and cross sections showing configurations of bedrock surfaces, Broken Bow 1° x 2° quadrangle, east-central Nebraska
Department of the Interior —
This digital data release contains spatial datasets of bedrock geology, volcanic ash bed locations, test hole locations, bedrock outcrops, and structure contours of...