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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

Placer gold of the Solomon, Bendeleben, and southern part of the Kotzebue quadrangles, western Alaska

No abstract available.

Preliminary geologic map of the Newcomb Quadrangle, San Juan County, New Mexico

No abstract available.

Preliminary geologic map of the Yellowtail Dam Quadrangle, Big Horn County, Montana

No abstract available.

Preliminary surficial geologic map of the Brigham City segment and adjacent parts of the Weber and Collinston segments, Wasatch Fault Zone, Box Elder and Weber counties, Utah

No abstract available.

Quaternary geologic map of the Lookout Mountain 4° x 6° quadrangle, United States

This map is part of the Quaternary Geologic Atlas of the United States (I–1420). It was first published as a printed edition in 1988. The geologic data have now been captured digitally and are presented here along with images of the printed map sheet and component parts as PDF files. The Quaternary Geologic Map of the Lookout Mountain 4° x 6° Quadrangle was mapped as part of the Quaternary Geolog
By
Groundwater and Streamflow Information Program, Geosciences and Environmental Change Science Center

Quaternary geologic map of the Mobile 4 degrees x 6 degrees quadrangle, United States

This map is part of the Quaternary Geologic Atlas of the United States (I-1420). It was first published as a printed edition in 1988. The geologic data have now been captured digitally and are presented here along with images of the printed map sheet and component parts as PDF files. The Quaternary Geologic Map of the Mobile 4 degrees x 6 degrees Quadrangle was mapped as part of the Quaternary
By
Geology, Minerals, Energy, and Geophysics Science Center, Geosciences and Environmental Change Science Center

Radiometric ages of basement rocks in the northern Midcontinent, U.S.A.

No abstract available.

Reconnaissance geologic map of the Horsefly Peak Quadrangle, Ouray, Montrose and San Miguel counties, Colorado

No abstract available.

Reconnaissance geologic map of the Loreto and part of the San Janier quadrangles, Baja California Sur, Mexico

The Loreto area of Baja California Sur, Mexico, contains a diverse association of igneous, sedimentary, and metasedimentary rocks exposed in the foothills and arroyos between the Sierra La Giganta and Gulf of California. The Loreto area was selected for this study to examine the possible relation of the marine rocks to the opening of the Gulf of California, and to determine the stratigraphic and s

Regional correlation of the middle coal group of the Upper Cretaceous Mesaverde Group, Yampa coal field, Moffat and Routt counties, Colorado

No abstract available.

Regional geochemical maps of the Tonopah 1 degree by 2 degrees Quadrangle, Nevada, based on samples of stream sediment and nonmagnetic heavy-mineral concentrate

This report is part of a series of geologic, geochemical, and geophysical maps of the Tonopah 1° x 2° quadrangle, Nevada, prepared during studies of the area for the Conterminous United States Mineral Assessment Program (CUSMAP). Included here are 21 maps showing the distributions of selected elements or combinations of elements. These regional geochemical maps are based on chemical analyses of th

Reinterpreted geologic map and fossil data, Charley River quadrangle, east-central Alaska

No abstract available.