Commercial thinning of Douglas-fir in the Pacific Northwest

Staebler, George R.

Commercial thinning of Douglas-fir in the Pacific Northwest [by] Norman P. Worthington and George R. Staebler - Washington : U.S. Department of Agriculture , 1961 - 124p.: ill ; 22cm

Douglas fir-Northwestern States Forest management-Northwestern States

585.2 / WOR/C

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