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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

Maps showing hydrostatic levels and general ground-water quality for an area near Conifer, Colorado

Static water levels (SWL's) were measured in more than one hundred wells in the study area during April-May 1989.  The water levels were monitored for 10-15 minutes to determine if they were static.  If a given level was found not to be static, the measurement was repeated at a later data when the level was static.

Maps showing industrial mineral resources of the Joplin 1° x 2° quadrangle, Kansas and Missouri

This map is part of a folio of maps of the Joplin 1° X 2° quadrangle, Kansas and Missouri prepared under the Conterminuous United States Mineral Assessment Program (CUSMAP). Other publications in this folio to date include U.S. Geological Survey Miscellaneous Field Studies Map MF-2125-A (Erickson and others, 1990). Additional maps showing various geologic aspects of the Joplin quadrangle will be p

Maps showing the distribution of uranium-deposit clusters in the Colorado Plateau uranium province

The Colorado Palteau Uranium Province (CPUP) is defined by the distribution of uranium deposits, chiefly the sandstone-type, in upper Paleozoic and Mesozoic sedimentary rocks within the Colorado Plateau physiographic province (Granger and others, 1986).  The uranium province is bordered by widely distributed and mostly minor uranium deposits in Precambrian and Tertiary rocks and by outcrops of Ter

Marine geologic map of the Puerto Rico insular shelf Guanica to Ponce area

No abstract available.

Measured sections of Ramsey Ranch Member of Wasatch Formation, greater Green River Basin, southwest Wyoming

No abstract available.

Mine maps of silver-lead-zinc epithermal deposits in the Lake City area, Hindale County, San Juan Mountains, Colorado

No abstract available.

Mineralogical maps showing distribution of ore-related minerals in the nonmagnetic, heavy-mineral-concentrate fraction of stream sediment from the Anchorage 1 degree x 3 degrees Quadrangle, southern Alaska

No abstract available.

Northwest-southeast surface and subsurface correlations of the intertongued Wasatch and Green River Formations, Sand Wash Basin, northwest Colorado

No abstract available.

Oblique map of Yosemite Valley, Yosemite National Park, central Sierra Nevada, California

No abstract available.

Petrochemistry of igneous rocks, Silver City 1° x 2° quadrangle, New Mexico and Arizona

No abstract available.

Precambrian basement map of the Trans-Hudson orogen and adjacent terranes, northern Great Plains, U.S.A.

No abstract available.

Preliminary geologic map of the Fairbanks Quadrangle, Cochise County, Arizona

No abstract available.