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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
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...