Mineral resources of the Appalachian region,

Mineral resources of the Appalachian region, by the U.S. Geological Survey and the U.S. Bureau of Mines. - Washington, U.S. Govt. Print. Off., 1968. - xvi, 492 p. illus., maps (part col.) 29 cm. - Professional paper 580 . - Geological Survey professional paper ; 580. .

Part of illustrative matter fold. in pocket.

Bibliography: p. 466-492.

gs 67000288 //r852


Mines and mineral resources--Appalachian Region.
Geology--Appalachian Region.

QE75 / .P9 no. 580

553/.0974

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