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1915 West sheet. Mineral map of t … National Atlas West Sheet. (on upper margin … |
1915 East sheet. Mineral map of t … National Atlas Mineral map of Dominion of C … |
1915 Composite: Mineral map of th … National Atlas (Composite map of) Mineral m … |
1915 Minerals. Telegraphs National Atlas Minerals. Telegraphs. (on up … |