Tree mortality and top-kill related to defoliation by the Douglas-fir tussock moth in the Blue Mountains outbreak /

Bibliographic Details

Main Author:	Wichman, Boyd E.
Corporate Authors:	Pacific Northwest Forest and Range Experiment Station (Portland, Or.), United States. Forest Service
Format:	Government Document Book
Language:	English
Published:	Portland, Or. : Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978.
Series:	USDA Forest Service research paper PNW ; 233.
Subjects:	Defoliation. Douglas fir tussock moth.