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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 Dugout Creek Quadrangle, Richland and Roosevelt counties, Montana

No abstract available.

Geologic map of the Fire Rock Well Quadrangle, San Juan County, New Mexico

No abstract available.

Geologic map of the greater Denver area, Front Range urban corridor, Colorado

This digital map shows the areal extent of surficial deposits and rock stratigraphic units (formations) as compiled by Trimble and Machette from 1973 to 1977 and published in 1979 under the Front Range Urban Corridor Geology Program. Trimble and Machette compiled their geologic map from published geologic maps and unpublished geologic mapping having varied map unit schemes. A convenient feature of

Geologic map of the Guffey Quadrangle, Park County, Colorado

No abstract available.

Geologic map of the Juniper Buttes area, eastern Snake River plain, Idaho

No abstract available.

Geologic map of the Kimbeto Quadrangle, San Juan County, New Mexico

No abstract available.

Geologic map of the lithium-bearing rocks in parts of the Frenchman Mountain and Henderson quadrangles, Clark County, Nevada

No abstract available.

Geologic map of the Margaritifer Sinus Quadrangle of Mars

The Margaritifer Sinus quadrangle lies within a broad north-sloping trough, the Chryse lowlands, between the elevated Tharsis plateau to the west and the cratered upland to the east.  The rugged, uniquely martian chaotic terrain is best developed in this quadrangle. Sinuous furrows a few kilometers wide and as much as several hundred kilometers long cover most of the quadrangle; in several places

Geologic map of the Marysvale NW Quadrangle, west-central Utah

No abstract available.

Geologic map of the Marysvale SE Quadrangle, Piute County, Utah

No abstract available.

Geologic map of the Marysvale SW Quadrangle, Piute County, Utah

No abstract available.

Geologic map of the Memnonia Quadrangle of Mars

The Memnonia quadrangle lies astride the boundary between heavily cratered and sparsely cratered hemispheres of Mars (Carr and others, 1973). Densely cratered terrain occurs in the southwestern part of the quadrangle. Strips of plains material bound the cratered terrain in both the northern and eastern parts of the quadrangle. There is approximately 3 km of relief across the quadrangle, with the h