Information Circular 6121: Method and Cost of Mining Zinc and Lead at Mine No. 2, Tri-State District, Picher, Oklahoma

United States Department of Commerce Bureau of Mines · 1929 · Historical

Information Circular 6121: Method and Cost of Mining Zinc and Lead at Mine No. 2, Tri-State District, Picher, Oklahoma by United States Department of…

Public-domain full text preserved in the Mountain Man Mining Library. Original source: archive.org.

Information Circular 6121: Method and Cost of Mining Zinc and Lead at Mine No. 2, Tri-State District, Picher, Oklahoma Author: United States Department of Commerce Bureau of Mines Year: 1929 Category: Historical Tags: archive.org, Tri-State zinc lead district Source: ://archive.org/details/pub_usgov-bmines-information-circular_6121