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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: 8997

Controlled photomosaic of the MTM 45357 Quadrangle, Acidalia Planitia region of Mars

No abstract available.

Geologic and topographic maps of the Elysium Paleolake basin, Mars

These geologic and topographic maps show a basin in the Elysium region of Mars that is thought to have been the site of a large paleolake during the most recent period (Amazonian) in Mars’ history (Scott and Chapman, 1991b). The basin, referred to as the Elysium basin, extends for more than 2,000 km across the lowland plains (fig. 1). It is important, not only geologically, but because the amount,

Geologic map of late Cenozoic deposits and faults in parts of the Mt. Barcroft, Piper Peak, and Soldier Pass 15' quadrangles, Esmeralda County, Nevada, and Mono County, California

No abstract available.

Geologic map showing distribution of Cretaceous intrusive rocks in the central Big Belt Mountains, Broadwater and Meagher counties, Montana

No abstract available.

Geologic map showing thickness of sedimentary rocks from the ground surface to the top of the upper Cretaceous Pierre Shale in the south half of the Powder River Basin, northeastern Wyoming and adjacent areas

No abstract available.

Neogene geomorphic evolution of the central San Juan Mountains near Creede, Colorado

No abstract available.

Geologic map of the southeastern Kofa Mountains and western Tank Mountains, southwestern Arizona

No abstract available.

Maps showing metallic mineral districts and mines in the Black Hills, South Dakota and Wyoming

No abstract available.

Mineralogical maps showing the distribution of ore-related minerals in the minus-30-mesh, nonmagnetic heavy-mineral fraction of stream sediment, Healy Quadrangle, Alaska

A reconnaissance mineralogical and geochemical survey of stream sediments in the Healy quadrangle was conducted during 1980-1982 as part of the Alaskan Mineral Resource Assessment Program (AMRAP) of the United States Geological Survey (USGS). As a result of the various AMRAP investigations, a mineral resource evaluation of the quadrangle was published by Cox and others (1989). The Healy quadrangle

Geologic map of the Portal Quadrangle and vicinity, Cochise County, Southeast Arizona

No abstract available.

Total-field aeromagnetic and derivative maps of the Lawton area, southwestern Oklahoma

No abstract available.

Geologic map of the Clifton Creek Quadrangle, Bannock and Power counties, southeastern Idaho

No abstract available.