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Maps

Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more.

Map Releases

Map Releases

Topo Maps

Topo Maps

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Volcanic Maps

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Filter Total Items: 9477

Red Canyon quadrangle, Colorado

No abstract available.

Coal beds of the Troublesome quadrangle, Breathitt, Knott, and Perry Counties, Kentucky

The coal beds of the Troublesome quadrangle, Kentucky, have been studied as part of a general investigation of the coal resources of eastern Kentucky by the U.S. Geological Survey.  The area covered by two maps already published is shown on the index map (fig. 7).

Geologic map of Lake Valley manganese district, Sierra County, New Mexico

The Lake Valley district was originally developed as a manganese-silver district, but the known silver-bearing ore bodies have long since been worked out.  The critical shortage of manganese during World War II renewed interest in the manganese deposits; from October 1941 through June 1942 the U. S. Geological Survey and the U.S. Bureau of Mines conducted a cooperative exploration program in the d