Seeding habits of upper-slope tree species
By: by Jerry F. Franklin, Richard Carkin, and Jack Booth.
Contributors: Carkin, Richard E.; Booth, Jack.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: USDA Forest Service research note PNW -- 213.; USDA Forest Service research note PNW -- 213.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1974
Place of publication: Portland, Or
Language: eng
Number of pages: 12
Subjects: Conifers -- Seeds -- Oregon.; Conifers -- Seeds -- Washington (State)
Other titles: 12 year record of cone production.
Notes: Cover title.

"January 1974."

"GPO 990-102"--P. 12.

Includes bibliographical references (p. 2).