The insect factor in ponderosa pine management in Region 6 and Region 5
By: by Joseph Callaghan.
Published: 1938
Language: eng
Number of pages: 64
Subjects: Ponderosa pine -- Diseases and pests -- Pacific States.; Insect pests -- Pacific States.
Notes: Includes mounted photograph.

Typescript.

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

Includes bibliographical references (leaves 62-64).