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001	9.893253
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008	201104e197201##bccbd        f00| 0 eng d
040	|aCaOODSP|beng|erda|cCaOODSP
043	|an-cn-bc
086	1 |aEn40-207/1972-1E-PDF
100	1 |aKussat, R. H., |eauthor.
245	12|aA cursory evaluation of the deeplake tailings disposal system at Cominco's Benson Lake operation / |cby R.H. Kussat , M. Jones, B. Lawley.
264	1|aVancouver, B.C. : |bCanada, Department of the Environment, Fisheries Service, |cJanuary 1972.
300	|a1 online resource (ii, 16 pages) : |bmaps, charts.
336	|atext|btxt|2rdacontent
337	|acomputer|bc|2rdamedia
338	|aonline resource|bcr|2rdacarrier
490	0 |aManuscript report ; |v1972-1
500	|aDigitized edition from print [produced by Environment and Climate Change Canada].
520	|a"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.
610	20|aCominco Ltd‏.
650	0|aMineral industries|xWaste disposal|zBritish Columbia.
650	0|aTailings (Metallurgy)
650	0|aWater quality|zBritish Columbia|zBenson Lake.
650	6|aMines|xIndustrie|xDéchets|xÉlimination|zColombie-Britannique.
650	6|aRésidus (Minéralurgie)
650	6|aEau|xQualité|zColombie-Britannique|zBenson, Lac.
710	1 |aCanada.|bFisheries Service, |eissuing body.
856	40|qPDF|s608 KB|uhttps://publications.gc.ca/collections/collection_2020/eccc/en40/En40-207-1972-1-eng.pdf