Milling methods and costs at Montana mine concentrator of Eagle-Picher Lead Company, Ruby, Ariz.

Bibliographic Details
Corporate Author:	Eagle-Picher Company
Other Authors:	Andrus, D. E.
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1931.
Series:	Mines Bur. Info. Circ. No. 6497
Subjects:	Ore-dressing > Arizona. Electronic books.
Online Access:	Connect to the full text of this electronic document

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