A pine butterfly impact survey on the Bitterroot National Forest and state of Montana lands, 1973
By: by Jerald E. Dewey ... [et al.].
Contributors: Dewey, Jerald E.; United States. Forest Service. Northern Region. State & Private Forestry.
Series: Insect disease report; Report -- no. 74-12.; Report (United States. Forest Service. Northern Region) -- no. 74-12.
Publisher: USDA Forest Service, Northern Region, State & Private Forestry
Published: 1974
Place of publication: Missoula, Mont
Language: eng
Subjects: Pine butterfly -- Montana.; Insect surveys -- Montana.
Notes: "April 1974."

Caption title.

Also issued online.