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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: 9023

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

The productive silver districts in the United States (exclusive of Alaska and Hawaii) are shown on the accompanying map. Only those districts known or believed to have contained 100,000 troy ounces or more silver are shown. Three size categories, based on production and estimated reserves, are distinguished and indicated by size of symbols: districts containing 100,000 to 5 million...

Talc and soapstone in the United States, exclusive of Alaska and Hawaii Talc and soapstone in the United States, exclusive of Alaska and Hawaii

The locations of talc and soapstone deposits in the United States (exclusive of Alaska and Hawaii) arc shown on the accompanying map. The two types are distinguished by the shape of symbols; the relative importance of the deposits, expressed in broad ranges of tonnage, is indicated by the size of symbols. Two persistent belts in the Southeastern States are shown by patterns, and the...

Thorium and rare earths in the United States, exclusive of Alaska and Hawaii Thorium and rare earths in the United States, exclusive of Alaska and Hawaii

The accompanying map shows the location of the principal deposits of thorium and rare-earth minerals in the United States (excluding Alaska and Hawaii). Symbols of different shapes are used to depict deposits of different geologic types, and sizes of symbols denote the relative importance of the deposits. Because of scale limitations a symbol may represent groups of deposits too closely...

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

The accompanying map shows the location of the principal deposits of titanium minerals in the United States (excluding Alaska and Hawaii). Four broad geologic categories of deposits have been distinguished on the map by the shapes of the symbols, and relative importance is indicated by their size. The smaller deposits and the deposits for which adequate data are lacking can only be rated...

Topographic and geologic map of the Knob Creek area of the Wishbone Hill district, Matanuska coal field, Alaska Topographic and geologic map of the Knob Creek area of the Wishbone Hill district, Matanuska coal field, Alaska

No abstract available.

Topographical map of United Kingdom of Libya Topographical map of United Kingdom of Libya

No abstract available.

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

The accompanying map shows the tungsten deposits of the United States (exclusive of Alaska and Hawaii). The relative importance of the deposits, groups, or districts is shown by four symbols, indicating tungsten contents of: (1) greater than 10,000 short tons of tungsten metal, (2) 10,000 to 500 tons, (3) 500 to 10 tons, and (4) less than 10 tons. In assigning size, production plus...

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

The productive and potential raw material sources of vanadium in the United States (exclusive of Alaska and Hawaii) are shown on the accompanying map. This map is at the scale of 50 miles to the inch. The text accompanying the map briefly describes the major geologic types of deposits of vanadium, and it lists the productive and potential sources by the name of the deposit or geographic...

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

No abstract available.

Aeromagnetic map of part of the Alburtis quadrangle, Lehigh, Berks, and Northampton Counties, Pennsylvania Aeromagnetic map of part of the Alburtis quadrangle, Lehigh, Berks, and Northampton Counties, Pennsylvania

No abstract available.

Aeromagnetic map of part of the Arendtsville quadrangle, Adams and Cumberland Counties, Pennsylvania Aeromagnetic map of part of the Arendtsville quadrangle, Adams and Cumberland Counties, Pennsylvania

No abstract available.

Aeromagnetic map of part of the Bernville quadrangle, Berks County, Pennsylvania Aeromagnetic map of part of the Bernville quadrangle, Berks County, Pennsylvania

No abstract available.
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