Ores of copper, lead, gold and silver.

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Bibliographic Details
Online Access:	Full Text (via ProQuest)
Corporate Author:	United States. Department of Commerce
Format:	Government Document eBook
Language:	English
Published:	[Washington] : GPO, 1916.
Subjects:	Mines and mineral resources. Copper. Lead. Gold.

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Full Text (via ProQuest)

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Call Number:	I28.7-143
I28.7-143	Available