Guide to grading defects in ponderosa and sugar pine logs
By: [by] Willard L. Jackson.
Contributors: Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Publisher: Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1962
Place of publication: Berkeley, Calif
Language: eng
Number of pages: 34
Subjects: Timber -- Grading.; Ponderosa pine.; Sugar pine.
Notes: Cover title.

"Supplements ... Gaines, Edward M.  Improved system for grading ponderosa and sugar pine logs in trees.  1962."