Impact of the Douglas-fir tussock moth on forest recreation in the Blue Mountains
By: Kent B. Downing, Phillip B. Delucchi, William R. Williams.
Contributors: Delucchi, Phillip B.; Williams, William R.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.); United States. Forest Service.
Series: Research paper PNW -- 224.; Research paper PNW -- 224.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
Published: 1977
Place of publication: Portland, Or
Language: eng
Number of pages: 14
Subjects: Douglas-fir tussock moth; Outdoor recreation -- Blue Mountains (Or. and Wash.); Blue Mountains (Or. and Wash.)
Notes: Prepared in cooperation with USDA Douglas fir tussock moth program.

Cover title.