Mining methods and costs at Black Butte quicksilver mine, Lane County, Ore.

Bibliographic Details

Other Authors:	Elmer, William W.
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1930.
Series:	Mines Bur. Info. Circ. No. 6276
Subjects:	Mines and mineral resources. Electronic books.
Online Access:	Connect to the full text of this electronic document