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Tables of Geometry for Low-standard Roads for Watershed Management Considerations, Slope Staking, and End Areas

Walter F. Megahan

出版	Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1976
URL	http://books.google.com.hk/books?id=qH8TkLS4w-8C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN