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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.

Geologic Maps

Geologic Maps

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Map Releases

Topo Maps

Topo Maps

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Volcanic Maps

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Geologic map of the Tennessee Pass area, Eagle and Lake counties, Colorado Geologic map of the Tennessee Pass area, Eagle and Lake counties, Colorado

The triangular area bounded by the most productive mining districts of central Colorado- Leadville, Climax-Kokomo, and Gilman-Red Cliff- is of economic interest not only because of its close spatial relation to these districts but because it is closely related geologically. It contains the same rocks as the adjoining mining districts and is closely related to them structurally. It shows
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