00000nam 2200000zi 4500 9.878440 CaOODSP 20241203113651 m o d f cr ||||||||||| 190823s1993 oncbd #ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-bc En13-5/93-32E-PDF Azcue, José M., 1957- author. Effects of abandoned gold mine tailings on the arsenic concentrations in water and sediments of Jack of Clubs Lake, B.C. / J.M. Azcue, A. Mudroch, F. Rosa and G.E.M. Hall. Burlington, ON, Canada : National Water Research Institute, Lakes Research Branch ; Ottawa, ON, Canada : Geological Survey Canada, [1993] 1 online resource (25 unnumbered pages) : map, graphs. text txt rdacontent computer c rdamedia online resource cr rdacarrier [NWRI contribution] ; [93-32] Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "From 1933 to 1964 gold was extracted by underground mining at the northeast shore of Jack of Clubs Lake. At present, tailings and waste rock 4.5 m thick covers approximately 25 hectares of land adjacent to the lake. Arsenic concentrations (>2,000 ug.g) were found in the tailing materials"--Abstract. gccst Lakes gccst Mining industry gccst Sediments Mudroch, Alena, author. Rosa, Fernando, author. Hall, G. E. M., author. Canada. Environment Canada. National Water Research Institute (Canada). Lakes Research Branch. Geological Survey of Canada. NWRI contribution ; 93-32. (CaOODSP)9.844121 PDF 2.01 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-93-32-eng.pdf