The production of copper, gold, lead, nickel, silver, zinc, and other metals in Canada.
Description
Viewability
Item Link | Original Source |
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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 |