Annual losses from disease in Pacific Northwest forests
By: by T.W. Childs, K.R. Shea.
Contributors: Shea, Keith R.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: U.S. Forest Service resource bulletin PNW -- 20.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Published: 1967
Place of publication: Portland, Or
Language: eng
Number of pages: 19
Subjects: Trees -- Diseases and pests -- Northwest, Pacific.; Forests and forestry -- Northwest, Pacific.
Notes: Cover title.

Includes bibliographical references (p. 11-13).

Also issued online.