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Permafrost and Ground Water in Alaska

David Moody HopkinsGeological Survey (U.S.)Thor N. V. Karlstrom

出版	U.S. Government Printing Office, 1955
URL	http://books.google.com.hk/books?id=YP0YsL2I07QC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

A study of the interralations of permafrost and ground water, and a discussion of the role of aerial photographs in the mapping and evaluation of permafrost conditions.