Saving gold by means of corduroy /

Saving gold by means of corduroy / by M.W. von Bernewitz.

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Bibliographic Details
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Main Author: Von Bernewitz, M. W. (Max Wilhelm), 1878-1940
Corporate Author: United States. Bureau of Mines
Format: Government Document Book
Language:English
Published: Washington, DC : U.S. Dept. of the Interior, Bureau of Mines, 1939.
Series:Information circular (United States. Bureau of Mines) ; 7085.
Subjects:
Gold > Milling.
Corduroy.
Description
Item Description:Caption title.
At head of title: Department of Commerce--Bureau of Mines.
No.7075-7099 issued bound together.
"August 1939"--Cover.
Physical Description:17 pages : illustrations ; 27 cm.

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