Western tent caterpillar in aspen /

Bibliographic Details
Corporate Author:	United States. Forest Service. Southwestern Region
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.?] : Dept. of Agriculture, 1991 [i.e. 1992]
Edition:	Rev. Sept. 1991.
Subjects:	Aspen > Diseases and pests > Southwestern States. Tent caterpillars > Southwestern States.

Evans: US Documents (Annex 5th floor)