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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: 9586

Glacial map of Ohio Glacial map of Ohio

No abstract available.

Iron in the United States, exclusive of Alaska and Hawaii Iron in the United States, exclusive of Alaska and Hawaii

The iron-ore deposits in the United States (exclusive of Alaska and Hawaii) are shown on the accompanying map; many iron-bearing deposits that are of lesser or only potential value are also shown. Because these deposits range widely in extent, two general categories of symbols are used, each of which is subdivided as explained below. The first category is for deposits of such restricted...

Map of southeastern Maine showing heavy metals in stream sediments Map of southeastern Maine showing heavy metals in stream sediments

This map presents the initial results of a geochemical reconnaissance of stream sediment in southeastern Maine. Its purpose is to identify metal-rich areas that might be favorable for further detailed exploration.
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