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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. 

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Measured sections and discussion of the main turbidite member, Middle Pennsylvanian Minturn Formation, northern Sangre de Cristo Range, Custer and Saguache counties, Colorado

Turbidites are sediments deposited by turbid density currents. The turbidites described here are interpreted as prodelta deposits that formed in front of fan deltas and alluvial fans during the uplift of the ancestral Rocky Mountains in Pennsylvanian time. Laterally extensive, lenticular sand bodies deposited by turbidity flows crop out in the Middle Pennsylvanian Minturn Formation in the northern

Metallogenetic maps of the ophiolite belts of the Western United States

No abstract available.

Mine and prospect map of the Dragoon Mountains Roadless Area, Cochise County, Arizona

No abstract available. 

Mineral occurrence map and tabulation of property names and commodity and production data, Walker Lake 1 degree by 2 degrees Quadrangle, California-Nevada

No abstract available. 

Mineral resource potential and geologic map of the Dolus Lakes Roadless Area, Powell and Granite Counties, Montana

No abstract available.

Mineral resource potential map of the Bridger Wilderness and the Green-Sweetwater Roadless Area, Sublette and Fremont Counties, Wyoming

No abstract available.

Mineral resource potential map of the Chugach National Forest, Alaska

No abstract available.

Mineral resource potential map of the Glacier Peak Wilderness and adjacent areas, Chelan, Skagit, and Snohomish counties, Washington

No abstract available.

Mineral resource potential map of the Ryan Hill Roadless Area, Socorro County, New Mexico

No abstract available.

Mineral resource potential map of the Sandia Mountain Wilderness, Bernalillo and Sandoval counties, New Mexico

No abstract available.

Mineral resource potential map of the Sangre de Cristo Wilderness study area, south-central Colorado

No abstract available.

Mineral resource potential map of the Sapphire Wilderness Study Area and contiguous roadless areas, Granite and Ravalli Counties, Montana

No abstract available.