Sapwood thickness of Douglas-fir and five other western softwoods
By: by L.E. Lassen and E.A. Okkonen.
Contributors: Okkonen, E. A.
Series: U.S.D.A. Forest Service research paper FPL -- 124.; Research paper FPL -- 124.
Publisher: U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory
Published: 1969
Place of publication: Madison, Wis
Language: eng
Number of pages: 16
Subjects: Douglas fir; Conifers -- West (U.S.); Forests and forestry -- Measurement
Notes: Caption title.

Includes bibliographical references (p. 8).