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Bedrock Topography, Buried Valleys and Nature of the Drift, Virden Map-area, Manitoba

R. W. KlassenJ. E. Wyder

出版	Department of Energy, Mines and Resources, 1970
URL	http://books.google.com.hk/books?id=ZbRSklDEXd4C&hl=&source=gbs_api