western pine bark beetle problem
By: by L.P. Winslow.
Published: 1937
Language: eng
Number of pages: 34
Subjects: Western pine beetle.; Ponderosa pine -- Diseases and pests.
Notes: Typescript.

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

Includes bibliographical references (leaves 33-34).