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Map Releases

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. 

Filter Total Items: 8999

Arability map of the Phoenix area, Arizona

No abstract available.

Areas of possible flooding in Knox County, Tennessee

No abstract available.

Areas with abundant sinkholes in Knox County, Tennessee

No abstract available.

Basins drained by sinkholes in Knox County, Tennessee

No abstract available.

Bedrock topography of south-central Iowa

The bedrock surface in Iowa is covered nearly everywhere by unconsolidated deposits of glacial drift and alluvium which range in thickness from less than 1 foot to more than 400 feet, and from less than 1 foot to about 60 feet, respectively. The bedrock surface is the result of a complex system of ancient drainage courses, which were developed during the long period of preglacial erosion and durin