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Federal
Database for the geologic map of the Frederick 30 x 60 quadrangle, Maryland, Virginia, and West Virginia
Department of the Interior —
The database for the geologic map of the Frederick 30 x 60 quadrangle covers the distinct geologic provinces and sections of the central Appalachian region that are... -
Federal
Geochemical reanalysis of rock and sediment samples from the Middle Fork and South Fork of the Salmon River collected in the mid-1960s through the early 1970s as part of the Idaho Primitive Area studies
Department of the Interior —
This data release is a geochemical data set from the reanalysis of 23 rock and 85 sediment samples collected between 1966 and 1970 by the U.S. Geological Survey... -
Federal
Geology of the Grandfather Mountain Window and Vicinity, North Carolina and Tennessee
Department of the Interior —
The Blue Ridge belt in northwestern North Carolina and northeastern Tennessee is composed chiefly of 1,000-million to 1,100-million-year-old metamorphic and plutonic... -
Federal
Feature dataset GeologicMap, part of Geologic Map of Northeasternmost Tennessee, and Adjacent Parts of Virginia and North Carolina
Department of the Interior —
The geology of an area of 660 square miles mostly in the northeastern corner of Tennessee and small adjacent areas in Virginia and North Carolina is the subject of... -
Federal
Database for the bedrock geologic map of the Bellows Falls 7.5- x 15-Minute Quadrangle, Windham and Windsor Counties, Vermont, and Sullivan and Cheshire Counties, New Hampshire
Department of the Interior —
The bedrock geology of the Bellows Falls 7.5 x 15 minute quadrangle, Vermont and New Hampshire, consists of polydeformed Ordovician to Devonian metasedimentary,... -
Federal
Geochemical reanalysis of rock and sediment samples from the Lower Middle Fork of the Salmon River collected as part of the Idaho Primitive Area Studies in the 1960’s through 1980’s
Department of the Interior —
This is a geochemical data set from the reanalysis of 44 rock samples collected between 1966 and 1970, and 107 sediment samples collected in 1966 and 1967. These...