The production of copper, gold, lead, nickel, silver, zinc, and other metals in Canada.

Description

Viewability

Item Link Original Source
Full view   1911 University of California
Full view   1911 1911 The Ohio State University
Full view   1912 University of Michigan
Full view   1912-14 University of California
Full view   1914 The Ohio State University
Full view   1915 1915 The Ohio State University
Full view   1916 University of Michigan
Full view   1916 University of California
Full view   1918 The Ohio State University
Full view   1918 University of Michigan
Full view   1918 University of California
Full view   1919 University of Michigan
Full view   1919 University of California
Full view   1920 The Ohio State University
Full view   1920 University of Michigan
Full view   1920 University of California