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Climate and Soil of the Yukon : Evidence of Mr. John Macoun, Assistant Director and Naturalist, Geological Survey, Before the Select Standing Committee on Agriculture and Colonization, 1903

Canada. Parliament. House of Commons. Select Standing Committee on Agriculture and ColonizationJohn Macoun

出版	S.E. Dawson, Queen's Printer, 1903
URL	http://books.google.com.hk/books?id=Nch2GwAACAAJ&hl=&source=gbs_api