The yield of Douglas fir in the Pacific northwest - McArdle, Richard Edwin, 1899-; Meyer, Walter H. (Walter Huber); Bruce, Donald, 1884- (Washington, D.C. : U.S. Dept. of Agriculture : for sale by the Supt. of Docs., U.S. G.P.O., 1949)
Cover title.
"Literature cited": p. 74.
Keywords: Douglas fir; Forests and forestry -- Measurement