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

Literature cited: p. 16-18.