Finanical precommerical thinning guides for northwest ponderosa pine stands
By: Robert Sassamsn, James W. Barrett, Asa Twombley.
Contributors: Barrett, James W. 1922-; Twombley, Asa D.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.); United States. Forest Service.
Series: USDA Forest Service research paper PNW -- no. 226.; USDA Forest Service research paper PNW -- 226.
Publisher: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1977
Place of publication: Portland Or
Language: eng
Number of pages: 27
Subjects: Forest management -- Pacific States.; Forest thinning.; Ponderosa pine.
Notes: Cover title.

Includes appendices.

Bibliography: p. 19.