Major outbreaks of the Douglas-fir tussock moth in Oregon and California
By: Boyd E. Wickman, Richard R. Mason, C.G. Thompson.
Contributors: Mason, Richard R.; Thompson, C. G.
Series: USDA Forest Service general technical report PNW -- 5.; General technical report PNW -- 5.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1973
Place of publication: Portland Or
Language: eng
Number of pages: 18
Subjects: Douglas-fir tussock moth; Douglas fir -- Diseases and pests -- Oregon; Douglas fir -- Diseases and pests -- California
Notes: Cover title.

Literature cited: p. 16-18.