A guide to insect injury of conifers in the Lake States

Main Author: Wilson, Louis F.
Other Authors: United States. Forest Service.
Format: Electronic
Language: English
Published: Washington, D.C. : Forest Service, U.S. Dept. of Agriculture, 1977.
Physical Description: 1 online resource (vi, 218 pages) : illustrations.
Series: Agriculture handbook (United States. Department of Agriculture) ; no. 501.
Subjects:
Online Access: http://purl.fdlp.gov/GPO/gpo28461
http://naldc.nal.usda.gov/download/CAT87208650/PDF