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USGS National Structures Dataset - USGS National Map Downloadable Data Collection NGDA
USGS Structures from The National Map (TNM) consists of data to include the name, function, location, and other core information and characteristics of selected manmade... -
Circum-Arctic Resource Appraisal (north of the Arctic Circle) Assessment Units
The Assessment Unit is the fundamental unit used in the World Petroleum Resources Project. The Assessment Unit is defined within the context of the higher-level Total Petroleum... -
Geologic Provinces of the Arctic, 2000 (prvarcst)
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. -
Geologic Provinces of the Circum-Arctic, 2008 (north of the Arctic Circle)
This shapefile includes arcs and polygons that describe U.S. Geological Survey defined 33 geologic provinces of the Circum-Arctic (north of the Arctic Circle). Each province has...
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