Mine production of gold, silver, copper, lead, and zinc in Colorado in 1931, by counties (in terms of recovered metals).

Bibliographic Details

Other Authors:	Henderson, Charles W. (Charles William), 1885-
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1932.
Series:	Mineral Market Rpt. No. 156
Subjects:	Mineral industries. Electronic books.
Online Access:	Connect to the full text of this electronic document