Block-caving copper mining methods and costs at the Miami mine, Miami Copper Company, Gila County, Ariz / by W.R. Hardwick.

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Main Author: Hardwick, W. R. (William R.)
Corporate Author: United States. Bureau of Mines
Format: Government Document Book
Language:English
Published: Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1965.
Series:Information circular (United States. Bureau of Mines) ; 8271.
Subjects: