00000nam 2200000za 4500 9.855878 CaOODSP 20241203113642 cr ||||||||||| 180426s1987 mbc #ot f|0| 0 eng d 0-662-15439-9 CaOODSP eng eng fre n-cn--- CW69-5/22E-PDF Boothroyd, Peter. Preliminary assessment of the effects of the proposed Polar Gas pipeline and other hydrocarbon development projects on waterfowl of the northern MacKenzie valley [electronic resource] / Peter N. Boothroyd. Winnipeg, Manitoba : Western and Northern Region, Canadian Wildlife Service, Environment Canada, 1987. vii, 112 p. : figures, maps. Technical report series ; no. 22 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographic references. "Aerial surveys were conducted in June, July and August, 1985 to determine numbers and distribution of waterfowl along the proposed Polar Gas pipeline route and Parsons Lake lateral in the Mackenzie River valley"--Abstract, p. i. Includes abstract in French. gccst Pipelines gccst Aquatic birds Canada. Environment Canada. Canadian Wildlife Service. Technical report series (Canadian Wildlife Service) no. 22 (CaOODSP)9.504438 PDF 15.44 MB https://publications.gc.ca/collections/collection_2018/eccc/cw69-5/CW69-5-22-eng.pdf CW69-5/22E