Mining and crushing methods and costs at the West Penn Limestone Mine of the West Penn Cement Co., West Winfield, Pa. / by George A. Morrison.

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Bibliographic Details
Main Author: Morrison, George A.
Corporate Author: United States. Bureau of Mines
Format: Government Document Book
Language:English
Published: Washington, D.C. : U.S. Dept. of Commerce, Bureau of Mines, 1931.
Series:Information circular (United States. Bureau of Mines) ; 6446.
Subjects:

MARC

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