Financial precommerical thinning guides for northwest ponderosa pine stands
By: Robert Sassamsn, James W. Barrett, Asa Twombley
Contributors: Barrett, James W. 1922- , joint author; Twombley, Asa D , joint author; Pacific Northwest Forest and Range Experiment Station (Portland, Or.); United States. Forest Service
Series: 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