00000nam 2200000zi 4500 9.881785 CaOODSP 20221107170130 m o d f cr ||||||||||| 191107e198803##bccbd ob f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn-bc En40-240-1/87-12E-PDF En40-240/87-12E-PDF Ferguson, Keith D., 1952- author. The export of nutrients from surface coal mines / by K.D. Ferguson, S.M. Leask. West Vancouver, British Columbia : Environment Canada, Conservation and Protection, Environmental Protection, Pacific and Yukon Region, March 1988. 1 online resource (xix, 127 pages) : maps, graphs + 1 appendices (xv, 103 pages). text txt rdacontent computer c rdamedia online resource cr rdacarrier Regional program report ; 87-12 Title from cover. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (page 126). "Elevated levels of the nutrients nitrogen and phosphorus in the aquatic environment can cause excessive growth of algae and toxicity to aquatic organisms. There are many potential sources of nutrients but releases from nitrogen-based explosives used in the surface mining of coal have only recently been investigated"--Abstract, page i. Includes abstract in French. gccst Coal gccst Mining industry gccst Environmental impact assessment Canada. Environment Canada. Pacific and Yukon Region. Canada. Conservation and Protection. Pacific and Yukon Region. Canada. Environmental Protection Directorate. Pacific and Yukon Region. Regional program report (Canada. Environment Canada) 87-12. (CaOODSP)9.881335 PDF 6.04 MB https://publications.gc.ca/collections/collection_2019/eccc/en40-240/En40-240-87-12-eng.pdf Report PDF 7.03 MB https://publications.gc.ca/collections/collection_2019/eccc/en40-240/En40-240-87-12A-eng.pdf Appendices