Defoliation by western spruce budworm in Oregon and Washington from 1980 through 1994
By: Katharine A. Sheehan
Contributors: United States. Forest Service. Pacific Northwest Region
Series: Technical publication -- R6-NR-TP-04-96; Technical publication (United States. Forest Service. Pacific Northwest Region) -- R6-NR-TP-04-96
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region
Published: 1996
Place of publication: Portland, Or
Language: eng
Format: Microform
Subjects: Western spruce budworm -- Oregon; Western spruce budworm -- Washington (State); Forest insects -- Oregon; Forest insects -- Washington (State)
Notes: Distributed to depository libraries in microfiche

Shipping list no.: 97-0926-M

"April 1996."

Includes bibliographical references (p. 6-9)

Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., 1997 1 microfiche : negative