Financial precommerical thinning guides for northwest ponderosa pine stands
By: Robert Sassamsn, James W. Barrett, Asa Twombley
Contributors: Barrett, James W. (James Willis), 1922-; Twombley, Asa D.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.); United States. Forest Service
Series: USDA Forest Service research paper PNW -- 226; USDA Forest Service research paper PNW -- 226
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
Published: 1977
Place of publication: Portland, Or
Language: eng
Number of pages: 27
Subjects: Forest management; Forest thinning; Ponderosa pine; Thinning
Notes: Cover title.

Includes appendices.

Bibliography: p. 19.