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Rating spruce-fir stands for spruce budworm damage in eastern North America


Author:
Witter, John A., Lynch, Ann, United States, Forest Service, Cooperative State Research Service, and Canada/United States Spruce Budworms Program
Source:
USDA
Year:
1985
Subject:
Spruce, Diseases and pests, Fir, and Spruce budworm
Format:
22 p. : ill., map ; 22 cm.
Language:
English
Publisher:
U.S. Dept. of Agriculture, Forest Service and U.S. Dept. of Agriculture, Cooperative State Research Service
Series:
Spruce budworms handbook and Agriculture handbook (United States. Dept. of Agriculture) ; no. 636
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/CAT30999142