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Peel 217

Lefroy, John Henry (Sir) (1817-1890) [info]. 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. London: Longmans, Green & Co, 1883.
Physical description: xxiv, 192 p., 6 leaves of plates, 5 maps, diagram.; 25.5 cm.
Language: English
During the survey Lefroy travelled approximately 5,475 miles, partly by canoe and snowshoe, and made valuable observations at more than 300 stations en route.
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