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Federal
Data release for the geologic map of the upper Arkansas River valley region, north-central Colorado
Department of the Interior —
This 1:50,000-scale geologic map represents a compilation of the most recent geologic studies of the upper Arkansas River valley, between Leadville and Salida,... -
Federal
Hydrogeologic Terranes for Glaciated Conterminous United States
Department of the Interior —
The Hydrogeologic Terranes dataset includes separate polygon and line feature classes. The polygon feature class divides the glaciated United States into seventeen... -
Federal
Geochemical data, water-level data, and slug test analysis results from till confining units and confined aquifers in glacial deposits near Akeley, Cromwell, Litchfield, and Olivia, Minnesota, 2015-2018
Department of the Interior —
Confined (or buried) aquifers overlain by till confining units are used to supply drinking water to millions of people. Till confining units are typically... -
Federal
Glacial Environments and Surficial Sediments (GESS) Geodatabase for the Glaciated, Conterminous United States
Department of the Interior —
The GESS data includes polygon file with multiple attributes which describe the lithology, geomorphology, and related depositional environment of Quaternary-age...