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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: 9029

Geologic map and sections of the Kepler region of the moon Geologic map and sections of the Kepler region of the moon

No abstract available.

Geologic map of lower Matanuska Valley, Alaska Geologic map of lower Matanuska Valley, Alaska

No abstract available.

Geologic reconnaissance map of part of the southeastern Mojave Desert, California Geologic reconnaissance map of part of the southeastern Mojave Desert, California

No abstract available.

Geology of anthracite in the eastern part of the Shamokin quadrangle, Northumberland County, Pennsylvania Geology of anthracite in the eastern part of the Shamokin quadrangle, Northumberland County, Pennsylvania

No abstract available.

Geology of the Albany West quadrangle, Georgia Geology of the Albany West quadrangle, Georgia

The Albany West Quadrangle is near the east edge of the Dougherty Plain of southwestern Georgia, an area of karst topography. The Ocala limestone (uppoer Eocene) underlies the quadrangle and crops out along the Flint River and its tributaries and sinkholes. Sinkholes of two ages are developed in the limestone. A gravelly argillaceous sand of Pliocene(?) age is exposed in ditches near the...

Geology of the Eagle Buttes quadrangle, Chouteau County, Montana Geology of the Eagle Buttes quadrangle, Chouteau County, Montana

No abstract available.

Geology of the Eskay quadrangle, Chouteau and Blaine Counties, Montana Geology of the Eskay quadrangle, Chouteau and Blaine Counties, Montana

No abstract available.

Geology of the Leupp quadrangle, Arizona Geology of the Leupp quadrangle, Arizona

No abstract available.

Geology of the Manati quadrangle, Puerto Rico Geology of the Manati quadrangle, Puerto Rico

No abstract available.

Geology of the Melstone-Sumatra area in central Montana Geology of the Melstone-Sumatra area in central Montana

No abstract available.

Gold in the United States, exclusive of Alaska and Hawaii Gold in the United States, exclusive of Alaska and Hawaii

The accompanying map shows the distribution of the principal gold mining districts in the United States (excluding Alaska and Hawaii). Only those districts that have produced 10,000 ounces of gold or more are shown. Gold ore reserves were not considered, and the types of deposits are not shown. Based on total output, the gold-producing districts have been classified into three categories...

Gypsum and anhydrite in the United States, exclusive of Alaska and Hawaii Gypsum and anhydrite in the United States, exclusive of Alaska and Hawaii

The distribution of gypsum and anhydrite in the United States (exclusive of Alaska and Hawaii) is shown on the accompanying map. In addition to mines, open pits, and occurrences, the map shows the outcrop patterns of gypsum-bearing fomations and other outlines of the important evaporite basins in which gypsum and anhydrite might be found. Because of the numerous factors involved in...
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