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Federal
USGS National Structures Dataset - USGS National Map Downloadable Data Collection NGDA 66 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
USGS Surface-Water Data for the Nation - National Water Information System (NWIS) 16 recent views
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
Circum-Arctic Resource Appraisal (north of the Arctic Circle) Assessment Units
Department of the Interior —
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...