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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

Maps showing distribution and abundance of selected elements in heavy-mineral concentrate samples from a reconnaissance geochemical survey of the Healy Quadrangle, Alaska

No abstract available.

Maps showing distribution and abundance of selected elements in stream-sediment samples from a reconnaissance geochemical survey of the Healy Quadrangle, Alaska

No abstract available.

Maps showing geologic and hydrologic factors affecting land-use planning in the Culpeper Basin, Virginia and Maryland

No abstract available.

Maps showing percent of sandstone and total thickness of sandstone in the Westwater Canyon and Brushy Basin Members of the Morrison Formation, San Juan Basin, New Mexico

No abstract available.

Maps showing Quaternary geology of the northern Maryland part of the Chesapeake Bay

No abstract available.
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Chesapeake Bay Activities

Maps showing Quaternary geology of the northern Virginia part of the Chesapeake Bay

No abstract available.
By
Chesapeake Bay Activities

Maps showing Quaternary geology of the southern Maryland part of the Chesapeake Bay

No abstract available.
By
Chesapeake Bay Activities

Maps showing structure contours at the base of the Dakota Sandstone, paleotopographic contours at the base of the Westwater Canyon Member of the Morrison Formation, and inferred actively rising structures and depocenter axes during Jurassic time, San Juan

No abstract available.

Maps showing the ratio of sandstone to mudstone and the number of mudstone interbeds in the Westwater Canyon Member of the Morrison Formation, San Juan Basin, New Mexico

No abstract available.

Maps showing trace-element geochemistry of the Sangre de Cristo Wilderness Study Area, south-central Colorado

A trace-element geochemical study of the Sangre de Cristo Wilderness Study Area included the collection of 710 heavy-mineral-concentrate samples, 767 minus-80 mesh stream-sediment samples, and 145 rock samples.  All samples were analyzed for 31 elements by semiquantitative emission-spectrographic methods, and some stream-sediment and rock samples were also analyzed for selected elements by wet che

Maps, sections, and structure-contour diagrams showing the geology and geochemistry of the Mouat nickel-copper prospect, Stillwater complex, Stillwater County, Montana

No abstract available.

Metallogenic map of significant volcanogenic massive-sulfide and related lode deposits in Alaska

No abstract available.
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