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Showing posts with label Diary of a Magnetic Survey of a Portion of the Dominion of Canada Chiefly in the North-Western Territories Executed in the Years 1842-1844. Show all posts
Showing posts with label Diary of a Magnetic Survey of a Portion of the Dominion of Canada Chiefly in the North-Western Territories Executed in the Years 1842-1844. Show all posts