Mining methods and costs at Braden Copper Co.'s mines, Sewell, Chile [microform]

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Bibliographic Details
Corporate Author:	Braden Copper Company
Other Authors:	Skinner, T. W., Webb, J. S.
Format:	Government Document Microfilm Book
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1932.
Series:	Information circular (United States. Bureau of Mines) ; 6565.
Subjects:	Mines and mineral resources.

Norlin Library - Government Information - Microform

Holdings details from Norlin Library - Government Information - Microform
Call Number:	EBD C22.11-6565
EBD C22.11-6565	Restricted Place a Hold