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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

Map Releases

Map Releases

Topo Maps

Topo Maps

Volcanic Maps

Volcanic Maps

All Maps

Filter Total Items: 9593

Geologic map of the Fort Morgan 7.5' quadrangle, Morgan County, Colorado Geologic map of the Fort Morgan 7.5' quadrangle, Morgan County, Colorado

The Fort Morgan 7.5′ quadrangle is located on the semiarid plains of northeastern Colorado, along the South Platte River corridor where the river has incised into Upper Cretaceous Pierre Shale. The Pierre Shale is largely covered by surficial deposits that formed from alluvial, eolian, and hillslope processes operating in concert with environmental changes from the late Pliocene to the...

June 08—Thermal map of Fissure 8 lava flow at coast June 08—Thermal map of Fissure 8 lava flow at coast

This thermal map shows the Fissure 8 lava flow along the coast, as of 12:30 pm on Friday, June 8
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