Root diseases in Oregon and Washington conifers.

Bibliographic Details
Corporate Author:	United States. Forest Service. Pacific Northwest Region
Format:	Government Document Book
Language:	English
Published:	[Portland, Or.] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region, 1986.
Subjects:	Roots (Botany) > Diseases and pests > Oregon. Roots (Botany) > Diseases and pests > Washington (State) Conifers > Diseases and pests > Oregon. Conifers > Diseases and pests > Washington (State)

Evans: US Documents (Annex 5th floor)