Biological evaluation of the spruce budworm on the Superior National Forest, 1968
Contributors: Erickson, G. W.; Hastings, A. R.; United States. Forest Service. Division of State and Private Forestry. Northeastern Area; United States. Forest Service. Division of Forest Pest Control
Publisher: U.S. Dept of Agriculture, Forest Service
Published: 1968
Place of publication: St. Paul
Language: eng
Subjects: Spruce budworm
Notes: Bibliography: leaf 9.