Gold mining and milling in U.S. and Canada : current practices and costs.

Bibliographic Details

Other Authors:	Jackson, Charles F., Knaebel, John Ballantine, 1906-
Format:	Government Document eBook
Language:	English
Published:	[Washington?] : U.S. Government Printing Office, 1932.
Series:	Mines Bur. Bull. No. 363
Subjects:	Gold mines and mining. Electronic books.
Online Access:	Connect to the full text of this electronic document