Bedford, M. R. 1969. Forest insect and disease survey, North Vancouver Island, 1968. Pages 17-27 in S. J. Allen and M. R. Bedford, Part II. Annual district reports, Forest Insect and Disease Survey, Vancouver Survey District, Vancouver Island Section, 1968. Canada Department of Fisheries and Forestry, Forestry Branch, Forest Research Laboratory, Victoria, British Columbia, Information Report BC-X-33. 27 p.