Authors: Nagel, R. H.; McComb, David; Knight, F. B.
Source: Journal of Forestry, Volume 55, Number 12, 1 December 1957, pp. 894-898(5)
Publisher: Society of American Foresters
Document Type: Journal Article
Affiliations: Entomologist, Rocky Mountain Forest and Range Experiment Station, Forest Service, U. S. Department of Agriculture, The Station maintains central headquarters at Fort Collins, Colorado, in cooperation with Colorado State University
Publication date: December 1, 1957