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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: 9003

Map showing geochemical favorability for mesothermal base- and precious-metal veins in the Wallace 1° by 2° Quadrangle, Montana and Idaho

This map shows the geochemical favorability for mesothermal base- and precious-metal veins in the Wallace 1° by 2° quadrangle, Montana and Idaho.  The information presented here is part of the Wallace CUSMAP (Conterminous United States Mineral Assessment Program) project conducted by the U.S. Geological Survey.

Map showing landslide susceptibility in Prince Georges County, Maryland

No abstract available.
By
Natural Hazards Mission Area, Landslide Hazards Program, Geologic Hazards Science Center

Map showing late Quaternary faults and 1978-84 seismicity of the Los Angeles region, California

The Los Angeles region of California faces the greatest seismic risk of any part of the United States. The region is inhabited by more than 11 million people and is one of the Nation's key commercial and industrial centers. It lies astride a web of potentially active faults, including those segments of the San Andreas fault with the highest probability for generating a great earthquake during the

Map showing locations of exposures of limonitic rocks and hydrothermally altered rocks in the Butte 1° x 2° quadrangle, Montana

No abstract available.

Map showing locations of mines and prospects in the Dillon 1° x 2° quadrangle, Idaho and Montana

No abstract available.

Map showing Quaternary and late Tertiary terraces of the lower Bighorn River, Montana

No abstract available.

Map showing the areal distribution of oil shales with associated mineral resources and metal anomalies in the Western United States and Alaska

No abstract available.

Map showing the depth to the base of the deepest ice-bearing permafrost as determined from well logs, North Slope, Alaska

Because gas hydrates from within a limited temperature range, subsurface equilibrium temperature data are necessary to calculate the depth and thickness of the gas-hydrate stability field.  Acquiring these data is difficult because drilling activity often disrupts equilibrium temperatures in the subsurface, and a well mush lie undisturbed until thermal equilibrium is reestablished (Lachenbruch and

Map showing the distribution of sum of the ranks for concentrations of lead + zinc + copper + silver and lead + zinc in samples of stream sediment from the Wallace 1 degree by 2 degrees Quadrangle, Montana and Idaho

No abstract available. 

Maps showing ages and thermal maturation values of conodonts from the Goshute-Toano Range, Elko County, Nevada

No abstract available.

Maps showing characteristics of the Escollo de Arenas sand and gravel deposit, Vieques Island, Puerto Rico

No abstract available.

Maps showing coal-split boundaries, isopachs of coal splits, coal resources, and coal quality– Mammoth coal bed, Paleocene Tongue River Member of the Fort Union Formation, Bull Mountain coal field, south-central Montana

No abstract available.
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