Mining methods at Campbell mine of Calumet and Arizona Mining Company, Warren, Ariz., inclined cut-and-fill and semishrinkage.

Bibliographic Details

Corporate Author:	Calumet & Arizona Mining Company
Other Authors:	Lavender, H. M.
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1930.
Series:	Mines Bur. Info. Circ. No. 6289
Subjects:	Mines and mineral resources. Electronic books.
Online Access:	Connect to the full text of this electronic document