00000nam 2200000zi 4500 9.893253 CaOODSP 20221107173409 m o d f cr |n||||||||| 201104e197201##bccbd f00| 0 eng d CaOODSP eng rda CaOODSP n-cn-bc En40-207/1972-1E-PDF Kussat, R. H., author. A cursory evaluation of the deeplake tailings disposal system at Cominco's Benson Lake operation / by R.H. Kussat , M. Jones, B. Lawley. Vancouver, B.C. : Canada, Department of the Environment, Fisheries Service, January 1972. 1 online resource (ii, 16 pages) : maps, charts. text txt rdacontent computer c rdamedia online resource cr rdacarrier Manuscript report ; 1972-1 Digitized edition from print [produced by Environment and Climate Change Canada]. "The Benson Lake Coast Copper Mine commenced operations in August 1962. The mine is currently processing approximately 850 tons of ore per calendar day and a feasability study shows the potential for expansion to 1500 tons per day. At the expanded production rate the mine has a life expectancy of ten years. Impoundment of tailings in the vicinity of the mine was impossible because of lack of suitable terrain. Therefore, the company was permitted to discharge into Benson Lake"--Introduction. Cominco Ltd‏. Mineral industries Waste disposal British Columbia. Tailings (Metallurgy) Water quality British Columbia Benson Lake. Mines Industrie Déchets Élimination Colombie-Britannique. Résidus (Minéralurgie) Eau Qualité Colombie-Britannique Benson, Lac. Canada. Fisheries Service, issuing body. PDF 608 KB https://publications.gc.ca/collections/collection_2020/eccc/en40/En40-207-1972-1-eng.pdf