The Alaska vegetation classification /Publisher: Portland, Or. (333 S.W. First Ave., P.O. Box 3890. Portland 97208) : U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station,
Date: [1992] This title can be found in 1 Iowa libraries.
Forest classification at high latitudes as an aid to regeneration the proceedings of a fifth international workshop /Format: [microform]:
Publisher: Portland, Or. : Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture ;
Date: 1984 [i.e. 1985] This title can be found in 1 Iowa libraries.
A preliminary classification system for vegetation of Alaska /Author: Viereck, Leslie A.
Publisher: [Portland, Or.] : Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station,
Date: 1980. This title can be found in 1 Iowa libraries.
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