00000nam 2200000zi 4500 9.882000 CaOODSP 20241203113653 m o d f cr |n||||||||| 191115e199203##bccb ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-bc En40-241/92-12E-PDF Hagen, Michael E., author. Summary report : sediment quality of streams surrounding operating or proposed mines in British Columbia / by Michael E. Hagen. North Vancouver, B.C. : Environment Canada, Environmental Protection Service, Pacific & Yukon Region, March 1992. 1 online resource (ii, 47 pages) : maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier Regional data report ; DR 92-12 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (page 44-47). "From 1981 to 1992, the Freshwater Assessment Division, Environmental Effects Branch, Environmental Protection, Environment Canada, monitored environmental quality in salmon-bearing streams that could be impacted by proposed or operating mines. Occasionally, such monitoring included metal content of stream and lake sediments"--Introduction, page 1. gccst Mining industry gccst Sediments Canada. Environment Canada. Canada. Environmental Protection Directorate. Pacific and Yukon Region. Regional data report (Canada. Conservation and Protection) DR 92-12. (CaOODSP)9.880720 PDF 2.45 MB https://publications.gc.ca/collections/collection_2019/eccc/en40-241/En40-241-92-12-eng.pdf