00000nam 2200000zi 4500 9.880576 CaOODSP 20241203113652 m o d f cr ||||||||||| 191011s1983 bccbo ob f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn-bc En40-240/83-05E-PDF DeMill, D. A., author. Environmental studies in Alice Arm and Hastings Arm. Part V : baseline and initial production period - Amax/Kitsault mine - submersible observations and other trawls, 1980-1982 / Don Demill. Baseline and initial production period - Amax/Kitsault mine - submersible observations and other trawls, 1980-1982 [Vancouver] : Environmental Protection Service, Environment Canada, Pacific Region, 1983. 1 online resource (vi, 66 pages) : maps, colour photographs. text txt rdacontent computer c rdamedia online resource cr rdacarrier [Regional program report] ; 83-05 Title from cover. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (page 21). "Results of otter trawls in Alice and Hastings Arms by the Environmental Protection Service during 1980 and 1981 are presented. Also 1982 observations from a submersible of biota, bottom conditions, and turbidity are given. October 1981 was considered to be too early to determine the effects of tailing deposition on the biota with a trawl net. Observations from the Pisces submersible reveal a significant impact"--Abstract, page i. Includes abstract in French. gccst Environmental management gccst Water quality gccst Mining industry Canada. Environment Canada. Canada. Environmental Protection Service. Pacific Region. Regional program report (Canada. Environmental Protection Service. Pacific Region) no. 83-05. (CaOODSP)9.879151 PDF 4.60 MB https://publications.gc.ca/collections/collection_2019/eccc/en40-240/En40-240-83-05-eng.pdf