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Using the UTM Grid System to Record Historic Sites

Wilford P. Cole

出版	U.S. Department of the Interior, Heritage Conservation and Recreation Service, [Division of State Plans and Grants], 1980
URL	http://books.google.com.hk/books?id=jJWb5dwJQdgC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN