An Empirical Log Rule for Douglas-fir in Western Oregon and Western Washington

By Plank Marlin E.   Johnson Floyd A.  

Journal of Forestry, Vol. 73, Iss. 5, 1975-05 ,pp. : 288-293

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A Comparison of Habitat Type and Elevation for Seed-Zone Classification of Douglas-fir in Western Oregon

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Forest Science, Vol. 27, Iss. 1, 1981-03 ,pp. : 49-59

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Some Effects of Thinning on Increment in Douglas-Fir in Western Washington

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