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Progress reports, Metallurgical Division : 27, Ore--testing studies, 1937-38.

Bibliographic Details
Corporate Author:	United States. Bureau of Mines
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [s.n.], 1938.
Subjects:	Mines and mineral resources. Research. Silver. Gold.
Online Access:	Electronic resource (PDF)

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