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Topographic Mapping Manual of Compilation Specifications and Instructions : Presentation of Map Features for 1:25,000, 1:50,000 and 1:250,000 Mapping

Canada. Division de la cartographie topographiqueCanada. Topographic Mapping Division

出版	Surveys and Mapping Branch, Department of Energy, Mines and Resources, 1974
URL	http://books.google.com.hk/books?id=9BN4MQAACAAJ&hl=&source=gbs_api