Twenty-year growth of ponderosa pine saplings thinned to five spacings in central Oregon
By: James W. Barrett.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: USDA Forest Service research paper PNW -- 301.; Research paper PNW -- 301.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1982
Place of publication: Portland, Or
Language: eng
Number of pages: 18
Subjects: Ponderosa pine.; Forest thinning.
Notes: Distributed to depository libraries in microfiche.

"October 1982."

Bibliography: p. 18.