00000nam 2200000zi 4500 9.879483 CaOODSP 20241203113652 m o d f cr bn||||||||| 190919s1983 ykcab ob f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre n-cn-yk x8x8 En40-240/83-08E-PDF Jack, Mary, author. Baseline study of the watersheds near the Jason property, MacMillan Pass, Yukon Territory / by M.E. Jack and T.R. Osler. [Whitehorse, Yukon Territory] : Environment Canada, Environmental Protection Service, Pacific Region, Yukon Branch, 1983. 1 online resource (vii, 71 pages) : illustrations, maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier Regional program report ; no. 83-08 "July, 1983." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages 29-33). "A predevelopment study was undertaken by the Environmental Protection Service in the watersheds near the Jason Property in MacMillan Pass, Yukon in July, 1981. The presence of ore minerals in the study area was reflected by their presence in water and sediment. The metals of concern when a mine and mill become active will be arsenic, barium, cadmium, copper, manganese, nickel, silver, lead and zinc. The water courses in the area have soft waters with low buffering capacity. The numbers of bottom fauna collected were low"--Abstract, page i. Issued also in print format. Includes abstracts in English and French. gccst Watercourses gccst Water quality gccst Sediments gccst Aquatic animals gccst Mining industry Osler, T. R., author. Canada. Environment Canada. Canada. Environmental Protection Service. Pacific Region. Yukon Branch. Regional program report (Canada. Environmental Protection Service. Pacific Region) no. 83-08. (CaOODSP)9.879151 PDF 2.67 MB https://publications.gc.ca/collections/collection_2019/eccc/en40-240/En40-240-83-08-eng.pdf