Canadian Forest Service Publications
Province of British Columbia, Forest Insect Survey. 1960. Silver, G.T.; Ross, D.A. Pages 93-105 in Annual Report of the Forest Insect and Disease Survey, 1960. Government of Canada, Department of Forestry, Forest Entomology and Pathology Branch, Ottawa.
Issued by: Pacific Forestry Centre
Catalog ID: 20918
Availability: PDF (download)