Growth of ponderosa pine poles thinned to different stocking levels in central Oregon
By: James W. Barrett.
Contributors: Pacific Northwest Forest and Experiment Station (Portland, Or.)
Series: Research paper PNW -- 311.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1983
Place of publication: [Portland, Or.]
Language: eng
Subjects: Ponderosa pine -- Oregon; Ponderosa pine -- Oregon -- Spacing
Notes: Cover title.

Distributed to depository libraries in microfiche.

"December 1983."

Bibliography: p. 9.