Tentative ecological provinces within the true fir-hemlock forest areas of the Pacific Northwest
By: by Jerry F. Franklin.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: U.S. Forest Service research paper PNW -- 22
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1965
Place of publication: Portland, Or
Language: eng
Number of pages: 31
Subjects: Forests and forestry -- Northwest, Pacific; Plant ecology -- Northwest, Pacific
Notes: Cover title.

"April 1965."

Bibliography: p. 30-31.