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Filter Total Items: 9495

Geologic map of the Chassell quadrangle, Michigan

No abstract available.

Geologic map of the Chateaugay quadrangle, New York

No abstract available. 

Geologic map of the Gabbs magnesite and brucite deposits, Nye County, Nevada

During World War II the magnesite deposits at Gabbs, in northwestern Nye County, Nevada, were the source of ore for the world's largest magnesium metal plant.  This Government-owned plant, located at Henderson, near Las Vegas, Nevada, close to the source of power at Boulder Dam, produced 81,272 tons of metal from 920,000 tons of ore during the period September 1942 to November 1944.  Owing to the

Geologic map of the Hancock quadrangle, Michigan

No abstract available.

Geologic map of the Laurium quadrangle, Michigan

No abstract available.

Geologic map of the lower Siuslaw River area, Oregon

No abstract available. 

Geologic map of the Malone quadrangle, New York

No abstract available.

Geologic map of the South Range quadrangle, Michigan

No abstract available.