Historical patterns of spruce budworm defoliation and bark beetle outbreaks in North American conifer forests : an atlas and description of digital maps /

Bibliographic Details
Main Author:	Williams, David W.
Corporate Author:	United States. Forest Service. Northeastern Research Station
Other Authors:	Birdsey, Richard A.
Format:	Government Document Microform Book
Language:	English
Published:	Newtown Square, PA : U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station, [2003]
Series:	General technical report NE ; 308.
Subjects:	Spruce budworm > United States > Maps. Spruce budworm > Canada > Maps. Western spruce budworm > United States > Maps. Western spruce budworm > Canada > Maps. Southern pine beetle > United States > Maps. Southern pine beetle > Canada > Maps. Mountain pine beetle > United States > Maps. Mountain pine beetle > Canada > Maps.
Online Access:	https://purl.fdlp.gov/GPO/LPS37971

Evans: US Documents Microfiche (3rd floor)