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Federal
USGS National Structures Dataset - USGS National Map Downloadable Data Collection NGDA 65 recent views
Department of the Interior —
USGS Structures from The National Map (TNM) consists of data to include the name, function, location, and other core information and characteristics of selected... -
Federal
Geologic Provinces of the Arctic, 2000 (prvarcst)
Department of the Interior —
This coverage includes arcs, polygons and polygon labels that describe Arctic portion of the U.S. Geological Survey defined geologic provinces of the World in 2000.