Madrone duff and the natural regeneration of douglas-fir
By: Don Minore
Contributors: Pacific Northwest Research Station (Portland, Or.)
Series: Research note PNW -- RN 456; Research note PNW -- 456
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1987
Place of publication: [Portland, Or.]
Language: eng
Subjects: Douglas fir -- Oregon; Forest regeneration -- Oregon
Notes: Caption title

Distributed to depository libraries in microfiche

"January 1987."

Bibliography: p. 7