Large-crowned planted ponderosa pine respond well to thinning
By: by James W. Barrett.
Series: USDA Forest Service research note PNW -- 179.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1972
Place of publication: Portland, Ore
Language: eng
Number of pages: 12
Subjects: Ponderosa pine -- Thinning -- Oregon.
Notes: Caption title.

"May 1972."

Includes bibliographical references.