A field guide to important forest insects and diseases of Oregon and Washington /

Bibliographic Details
Main Author:	Pettinger, L. F.
Corporate Author:	United States. Forest Pest Management
Other Authors:	Goheen, D. J.
Format:	Government Document Book
Language:	English
Published:	[Portland, Or.?] : Forest Pest Management, State and Private Forestry, Pacific Northwest Region, Forest Service, U.S. Dept. of Agriculture, 1982.
Edition:	1972, updated 1982.
Subjects:	Forest insects > Oregon > Identification. Forest insects > Washington (State) > Identification. Conifers > Diseases and pests > Oregon > Identification. Conifers > Diseases and pests > Washington (State) > Identification. Forest insects > Washington (State) Forest insects > Oregon. Trees > Diseases and pests > Washington (State) Trees > Diseases and pests > Oregon.

Description
Physical Description:	37 pages : illustrations ; 23 x 10 cm.