Canada Commission of Conservation. creator Denis, Leo Germain 1878- text onc Ottawa 1918 monographic eng

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4 p. l., 296 p. plates (1 fold.) maps, diagrs. 25 cm. by Leo G. Denis ... At head of title: Commission of Conservation, Canada. Electric power-plants Canada TK1193.C6 A5 gs 19000212 U.S. Geol. Survey. Libr. 741218 20260227111323.0 gs 19000212