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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

Stratigraphic sections showing coal correlations within the lower coal zone of the Paleocene Fort Union Formation, Fillmore Ranch and Seaverson Reservoir quadrangles, Carbon County, Wyoming

No abstract available.

Stratigraphic sections showing coal correlations within the lower part of the Fort Union Formation in the Baggs area, Carbon County, Wyoming

No abstract available.

Stratigraphy of the Fort Union Formation in the eastern part of the Fort Peck Indian Reservation, Daniels, Roosevelt, and Sheridan counties, Montana

No abstract available.

Structure contour maps on the base of Mississippian strata and the top of upper Cambrian strata, Springfield 1 degree by 2 degrees Quadrangle, Missouri

This publication is part of a folio of maps of the Springfield 10° × 20° quadrangle, Missouri, prepared under the Conterminous United States Mineral Assessment Program of the U.S. Geological Survey. Other publications in this folio to date include U.S. Geological Survey Miscellaneous Field Studies Maps MF-1830-A through F (Erickson and others, 1985; Whitfield, 1986; Wharton, 1987; Middendorf and o

Summary and interpretation of geochemical maps for stream sediment and heavy mineral concentrate samples, Mount Hayes Quadrangle, eastern Alaska Range, Alaska

This report and accompanying maps summarize the results of geochemical exploration studies in the Mount Hayes quadrangle, Alaska. This is one of a series of maps and reports on the geological, geochemical, and geophysical studies of the quadrangle prepared as part of the Alaskan Mineral Resource Assessment Program (AMRAP) of the U.S. Geological Survey. These maps are part of the Mount Hayes l:250,

Summary geochemical maps of the Harrison 1° x 2° quadrangle, Arkansas and Missouri

This map is the first in a folio of maps of the Harrison 1° x 2° quadrangle, Arkansas and Missouri, prepared under the Conterminous United States Mineral Assessment Program. Additional maps showing various other geologic aspects of the Harrison quadrangle will be published as U.S. Geological Survey Miscellaneous Field Studies Maps bearing the same serial number with different letter suffixes (MF-1

Surface and subsurface correlations showing depositional environments of the upper Cretaceous Mesaverde Group and associated formations, Lost Soldier Field to Cow Creek, southwest Wyoming

No abstract available.

Surface and subsurface correlations showing depositional environments of the upper Cretaceous Mesaverde Group and associated formations, Cow Creek in southwest Wyoming to Mount Harris in northwest Colorado

No abstract available.

Surface-subsurface correlations of the Mesaverde Group and associated Upper Cretaceous formations, Rock Springs to Atlantic Rim, southwest Wyoming

No abstract available.

Surficial geologic map of the east Cache fault zone, Cache County, Utah

No abstract available.

Surficial geologic map of the Granite Falls 15-minute Quadrangle, Snohomish County, Washington

No abstract available.

Surficial geologic map of the Kigluaik Mountain area, Seward Peninsula, Alaska

No abstract available.