Status of Douglas-fir tussock moth infestations in the northern region, 1973
By: by Scott Tunnock ... [et al.].
Contributors: Tunnock, Scott.; United States. Forest Service. Northern Region. State & Private Forestry.
Series: Insect disease report; Report / Forest Service, Northern Region, Division of State and Private Forestry -- no. 73-23.; Report (United States. Forest Service. Northern Region) -- no. 73-23.
Publisher: U.S Forest Service, Northern Region, Division of State and Private Forestry
Published: 1973
Place of publication: Missoula, Mont
Language: eng
Subjects: Douglas-fir tussock moth -- Washington (State); Douglas-fir tussock moth -- Idaho.; Douglas-fir tussock moth -- Montana.
Notes: "September 1973."

Caption title.

Also issued online.