Mining methods and costs at Interstate Zinc and Lead Company's Hartley mine, Tri-State zinc and lead district.

Bibliographic Details

Corporate Author:	Interstate Zinc & Lead Co
Other Authors:	Anderson, Carl N.
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1932.
Series:	Mines Bur. Info. Circ. No. 6656
Subjects:	Mines and mineral resources. Electronic books.
Online Access:	Connect to the full text of this electronic document