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Filter Total Items: 9495

Summary geochemical map for samples of rock, stream sediment, and nonmagnetic heavy-mineral concentrate, Freel and Dardanelles Roadless Areas, Alpine and El Dorado Counties, California

The Freel and Dardanelles Roadless Areas lie near the crest of the central Sierra Nevada south of Lake Tahoe in California.  The roadless areas (the study area) encompass approximately 51 sq mi in Eldorado and Toiyabe National Forests and in the Lake Tahoe Basin Management Unit, in Alpine and El Dorado Counties, California. The study area is dominated by rugged topography; elevations range from ab

Surficial geologic map of the Botsford Quadrangle, Connecticut

No abstract available.

Surficial geologic map of the Fisher Valley-Professor Valley area, southeastern Utah

No abstract available.

Surficial geologic map of the Kaiparowits coal-basin area, Utah

No abstract available.

The relation of water quality to geology and land use changes in Fairfax County and vicinity, Virginia

No abstract available.

A geologic map of the continental slope off New Jersey; Lindenkohl Canyon to Toms Canyon

No abstract available.

Aeromagnetic map of North Carolina

No abstract available.

Aeromagnetic map of North Carolina in color

No abstract available.

Aeromagnetic map of Tennessee and Kentucky: In color

No abstract available.

Aeromagnetic map of the Fossil Springs Roadless Area, Yavapai, Gila, and Coconino counties, Arizona

The aeromagnetic map of the Fossil Springs Roadless Area was compiled from data collected in 1980 by Airmag Surveys, Inc., for the U.S. Geological Survey. Total magnetic intensity measurements were made along east-west flight lines about 0.5 mi apart and flown at an average altitude of 1,000 ft above the ground surface. A regional magnetic field (the International Geomagnetic Reference Field, 1975

Aeromagnetic map on a geologic base map of the Tushar Mountains and adjoining areas, Marysvale volcanic field, Utah

No abstract available.

Aeromagnetic, Bouguer gravity, and interpretation maps of the Sheep Hole-Cadiz Wilderness Study Area (CDCA-305), San Bernardino County, California

The Federal Land Policy and Management Act (Public Law 94-579, October 21, 1976) requires the U.S. Geological Survey and the U.S. Bureau of Mines to conduct mineral surveys on certain areas to determine their mineral resource potential. Results must be made available to the public and be submitted to the President and the Congress. These maps presents the results of a mineral survey of the Sheep H