00000nam 2200000zi 4500 9.881026 CaOODSP 20241203113653 m o d f cr ||||||||||| 191023e198511##bccbo ob f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn-bc En40-240/85-13E-PDF Derksen, George, 1948- author. Yakoun River, tributary streams and Mamin River data report on water quality samples collected by the Environmental Protection Service : November 1983 and February 1984 / by George Derksen. [Vancouver] : Department of the Environment, Environmental Protection Service, Pacific Region, November 1985. 1 online resource (vii, 84 pages) : maps, colour photographs. text txt rdacontent computer c rdamedia online resource cr rdacarrier Regional program report ; no. 85-13 Title from cover. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (page 20). "Water quality samples were collected from seven streams in the area of a proposed gold mine development on Graham Island, Queen Charlotte Islands. Surveys were conducted in November 1983 and February 1984. Intragravel as well as surface water samples were collected at four of the stations"--Abstract, page i. Includes abstract in French. gccst Water quality gccst Mining industry gccst Surface water Canada. Environment Canada. Canada. Environmental Protection Service. Pacific Region. Regional program report (Canada. Environmental Protection Service. Pacific Region) no. 85-13. (CaOODSP)9.879151 PDF 2.85 MB https://publications.gc.ca/collections/collection_2019/eccc/en40-240/En40-240-85-13-eng.pdf