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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: 9023

Interpretation of an aerial radiometric survey of the San Gorgonio Wilderness Area and vicinity, San Bernardino County, California Interpretation of an aerial radiometric survey of the San Gorgonio Wilderness Area and vicinity, San Bernardino County, California

The aerial radiometric data for the San Gorgonio Wilderness Area show slight correlation with mapped geology and contain no information of economic significance. Precambrian and modified Precambrian crystalline rocks have more eTh compared to Mesozoic plutonic rocks and one rock unit mapped as a pluton has slightly more K. These rocks have essentially uniform ratios of eU/eTh and eU/K...

Interpretation of graphic data on potential geologic hazards on the southeastern United States Atlantic continental shelf Interpretation of graphic data on potential geologic hazards on the southeastern United States Atlantic continental shelf

This report presents and analyzes seismic-survey data and bottom-instrument data as they pertain to a regional assessment of potential geologic hazards and other constraints to petroleum exploration and development on the southeastern United States Continental Shelf (see fig. 1).

Magnetic declination in the United States; epoch 1980 Magnetic declination in the United States; epoch 1980

No abstract available.

Magnetic total intensity in the United States; epoch 1980 Magnetic total intensity in the United States; epoch 1980

No abstract available.

Map and interpretation of the structural geology of the Survey Pass Quadrangle, Brooks Range, Alaska Map and interpretation of the structural geology of the Survey Pass Quadrangle, Brooks Range, Alaska

No abstract available.

Map and tables showing geochronology and whole-rock geochemistry, Chignik and Sutwik Island quadrangles, Alaska Map and tables showing geochronology and whole-rock geochemistry, Chignik and Sutwik Island quadrangles, Alaska

No abstract available.

Map of anomalous rock samples and histograms of trace metals in the rocks of the Survey Pass Quadrangle, Brooks Range, Alaska Map of anomalous rock samples and histograms of trace metals in the rocks of the Survey Pass Quadrangle, Brooks Range, Alaska

No abstract available.

Map of geology along the Little Pine Fault, parts of the Sisquoc, Foxen Canyon, Zaca Lake, Bald Mountain, Los Olivos, and Figueroa Mountain quadrangles, Santa Barbara County, California Map of geology along the Little Pine Fault, parts of the Sisquoc, Foxen Canyon, Zaca Lake, Bald Mountain, Los Olivos, and Figueroa Mountain quadrangles, Santa Barbara County, California

No abstract available.

Map of marine magnetic data from Shelikof Strait to Sutwik Island, Alaska Map of marine magnetic data from Shelikof Strait to Sutwik Island, Alaska

No abstract available.

Map of snow avalanche areas and known accident sites in the Telluride region, San Miguel County, Colorado Map of snow avalanche areas and known accident sites in the Telluride region, San Miguel County, Colorado

No abstract available.

Map showing aeromagnetic interpretation of the Baker-Cypress BLM Instant Study Area and Timbered Crater Forest Service Further Planning Areas, Modoc, Shasta, and Siskiyou counties, California Map showing aeromagnetic interpretation of the Baker-Cypress BLM Instant Study Area and Timbered Crater Forest Service Further Planning Areas, Modoc, Shasta, and Siskiyou counties, California

The data for the aeromagnetic map of the Baker-Cypress and Timbered crater areas were collected in 1978 and compiled at a scale of 1 :62,500 (U,S, Geological Survey, 1979). East-west traverses were spaced at 0.8-km intervals at a constant altitude of 1370 m (4500 ft) above sea level, Contour interval is 20 and 100 gammas, depending upon the steepness of local gradients in the Earth's...

Map showing areas of landsliding in the Kaiparowits coal-basin area, Utah Map showing areas of landsliding in the Kaiparowits coal-basin area, Utah

No abstract available.
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