00000nam 2200000zi 4500 9.880527 CaOODSP 20241203113652 m o d f cr bn||||||||| 191010e198508##bccb ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-bc En40-240/85-08E-PDF Derksen, George, 1948- author. Water quality data collected by the Environmental Protection Service, July 1982 and 1983 : relative to Equity Silver Mine, Houston, B.C. / report preparation: G. Derksen. [Vancouver] : Department of the Environment, Environmental Protection Service, Pacific Region, August 1985. 1 online resource (v, 67 pages) : map. text txt rdacontent computer c rdamedia online resource cr rdacarrier Regional program report ; 85-08 Cover title. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (page 19). "Water quality studies were conducted at the Equity Silver Mine in July 1982 and July 1983. During the 1982 study the mine was having difficulty controlling acid mine drainage. The 1982 results relative to 1983 indicate that during a period of poor acid mine drainage control the water quality of receiving streams is severely impacted upon"--Abstract, page i. gccst Water quality gccst Water management gccst Mining industry Canada. Environment Canada. Canada. Environmental Protection Service. Pacific Region. Regional program report (Canada. Environmental Protection Service. Pacific Region) 85-08. (CaOODSP)9.879151 PDF 1.97 MB https://publications.gc.ca/collections/collection_2019/eccc/en40-240/En40-240-85-08-eng.pdf