Canadian Forest Service Publications
Sequential sampling for Douglas-fir tussock moth egg masses in British Columbia. 1985. Shepherd, R.F.; Otvos, I.S.; Chorney, R.J. Agriculture Canada, Ministry of State for Forestry, Pacific Forest Research Centre, Victoria, BC. Joint Report No. 15, co-published by the BC Ministry of Forests. 7 p. (includes: 10 pocketed forms).
Issued by: Pacific Forestry Centre
Catalog ID: 2466