The effect of cattle and big game grazing on a ponderosa pine plantation
By: by Paul J. Edgerton.
Series: USDA Forest Service research note PNW -- 172.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1971
Place of publication: Portland, Ore
Language: eng
Subjects: Ponderosa pine -- Effect of grazing on -- Oregon -- Umatilla National Forest.
Notes: Caption title.

"December 1971."

Includes bibliographical references (p. 7-8).