Douglas-fir beetle
By: Malcolm M. Furniss and Peter W. Orr.
Contributors: Orr, Peter W.; United States. Forest Service.
Edition: [Rev. Nov. 1978]
Series: Forest insect & disease leaflet ; 5; Forest insect & disease leaflet -- 5.
Publisher: Dept. of Agriculture, Forest Service
Published: 1978
Place of publication: [Washington]
Language: eng
Subjects: Douglas fir beetle.
Notes: Bibliography: p. 4.