00000nam 2200000zi 4500 9.870859 CaOODSP 20241203113647 m o d f cr ||||||||||| 190401s1999 onc #ot f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- n-us En13-5/99-244E-PDF Rukavina, N. A., author. Acoustic surveys of bottom-sediment type and bathymetry in the Grand River, Grand Haven, Michigan / N. A. Rukavina. Burlington, Ontario : National Water Research Institute, [1999] 1 online resource (45 pages). text txt rdacontent computer c rdamedia online resource cr rdacarrier NWRI contribution ; 99-244 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "Environment Canada’s National Water Research Institute (NWRI) is collaborating with the Michigan EPA on an acoustic study of contaminated sediments in the Grand River at Grand Haven, Michigan. Both NWRl’s RoxAnn seabed-classification system and an acoustic system provided by an EPA contractor were used to map the distribution of bottom-sediment type and thickness and the bathymetry of four areas of the river"--Abstract. gccst Sediments gccst Rivers gccst Water pollution Canada. Environment Canada. National Water Research Institute (Canada) NWRI contribution ; 99-244. (CaOODSP)9.844121 PDF 2.54 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-99-244-eng.pdf