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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: 8999

Geologic map of the Olympic Peninsula, Washington

No abstract available.

Geologic map of the Penuelas and Punta Cuchara quadrangles, Puerto Rico

No abstract available.

Geologic map of the Phoenicis Lacus Quadrangle of Mars

The Phoenicis Lacus quadrangle (named Lake of the Pheonix by Schiaparelli, 1877) includes some of the largest geologic features recognized on the terrestrial planets. Arsia and Pavonis Montes, (“South Spot” and “Middle Spot” of Mariner 9) rise 18 and 17 km, respectively, above the surrounding plateau to an elevation of about 27 km above the 6.1 millibar base level. These mountains and the two larg

Geologic map of the Pueblo 1 x 2 Quadrangle, south-central Colorado

No abstract available.

Geologic map of the Saratoga Table Quadrangle, Pensacola Mountains, Antarctica

No abstract available.

Geologic map of the Schmidt Hills Quadrangle and part of the Gambacorta Peak Quadrangle, Pensacola Mountains, Antarctica

No abstract available.

Geologic map of the Sevier SW Quadrangle, west central Utah

No abstract available.

Geologic map of the Silver Cliff and Rosita volcanic centers, Custer County, Colorado

No abstract available.

Geologic map of the Soldiers Farewell Hill Quadrangle, Grant County, New Mexico

No abstract available.

Geologic map of the southeast quarter of the Cedar Ridge 15-minute Quadrangle, Crook County, Wyoming

No abstract available.

Geologic map of the Spring Canyon Quadrangle, Catron County, New Mexico

No abstract available.

Geologic map of the Thaumasia Quadrangle of Mars

The Thaumasia quadrangle lies on the south flank of the Tharsis dome (Hord and others, 1974), a large bulge in the crust of Mars extending more than 5,000 km northward from the center of the quadrangle. The major structure imposes a generally southward slope across the entire quadrangle. Topography along the east-central border of the Thaumasia quadrangle exhibits curved scarps and lowlands concen