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Timber Resources of the Kuskokwim Flood Plain and Adjacent Upland

Karl M. HeggHarold Sieverding

出版	Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1979
URL	http://books.google.com.hk/books?id=4HyJFEn1eCQC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN