Thinning ponderosa pine in the Pacific northwest
By: by Edwin L. Mowat.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research paper -- no. 5.; Research paper (Pacific Northwest Forest and Range Experiment Station (Portland, Or.)) -- no. 5.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1953
Place of publication: [Portland, Or
Language: eng
Number of pages: 24
Subjects: Ponderosa pine -- Thinning -- Northwest, Pacific.
Notes: "June 1953."

Caption title.

Also issued online.

Also issued online.

Copy 2 is a photocopy.