Standard grading rules for Ponderosa and Sugar pine lumber
By: by Bob W. Cowbrough.
Published: 1942
Language: eng
Number of pages: 124
Subjects: Timber -- Grading.; Ponderosa pine -- Grading.; Sugar pine -- Grading.
Notes: Typescript.

Includes mounted photographs.

From the Oregon State College School of Forestry collection of senior forestry papers, 1910-1956.

Includes bibliographical references (leaf 123).