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by Main, Marty L.
[Portland, Or.] (319 S.W. Pine St., Portland 97208-3890) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, USDA Forest Service, 1996
[Portland, Or.] (319 S.W. Pine St., Portland 97208-3890) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, USDA Forest Service, 1996
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