Cottrell, C. B. 1969. Forest insect and disease survey: South Vancouver, 1968. Pages 30-42 in C.B. Cottrell, and A. K. Jardine, Annual district reports, Forest Insect and Disease Survey, British Columbia. III, Vancouver Survey District, Mainland Section. Pages 28-53. Canada Department of Fisheries and Forestry, Forestry Branch, Forest Research Laboratory, Victoria, British Columbia, Information Report BC-X-33 (Part 3).