Economic guides for a method of precommercial thinning of ponderosa pine in the Northwest
By: by Donald F. Flora.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: U.S. Forest Service research paper PNW -- no. 31.; U.S. Forest Service research paper PNW -- 31.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1966
Place of publication: [Portland, Or.]
Language: eng
Number of pages: 10
Subjects: Ponderosa pine.; Logging -- Costs.
Notes: Cover title.

Bibliography: p. 10.