Seed flight of noble fir and Pacific silver fir
By: by Richard E. Carkin ... [et al.].
Contributors: Carkin, Richard E.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note PNW -- 312.; Seeding habits of upper-slope tree species -- 4.; USDA Forest Service research note PNW -- 312.; Research note PNW -- 312.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1978
Place of publication: Portland, Or
Language: eng
Number of pages: 10
Subjects: Conifers -- Seeds -- Oregon; Conifers -- Seeds -- Washington (State)
Notes: Cover title.

"February 1978."

"GPO 986-339"--P. 10.

Includes bibliographical references (p. 10).