00000nam 2200000za 4500 9.864655 CaOODSP 20221107161612 cr ||||||||||| 181114s1971 oncd o f000 0 eng CaOODSP eng n-cn-bc En36-515/39E-PDF Reeder, S. W. Cross-sectional study of the effects of smelter wastewater disposal on water quality of the Columbia River downstream from Trail, British Columbia [electronic resource] / S.W. Reeder. Ottawa : Inland Waters Branch, Dept. of Energy, Mines and Resources, 1971. vii, 16 p. : charts. Technical bulletin ; no. 39 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "A total of 59 water samples were collected from three sites on the Columbia River over a seven-day period to locate the most suitable site for a permanent water quality sampling station and to assess the effects of smelter wastewater on the quality of the river water"--Abstract. gccst Water quality gccst Rivers gccst Waste water Canada. Energy, Mines and Resources Canada. Canada. Inland Waters Branch. Technical bulletin (Canada. Inland Waters Branch) no. 39. (CaOODSP)9.861115 PDF 407 KB https://publications.gc.ca/collections/collection_2018/eccc/En36-515-39-eng.pdf