Mining methods and costs at Champion copper mine, Painesdale, Mich.

Bibliographic Details

Other Authors:	Mendelsohn, Albert
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1931.
Series:	Mines Bur. Info. Circ. No. 6515
Subjects:	Mines and mineral resources. Electronic books.
Online Access:	Connect to the full text of this electronic document