-
By: Mark E. Taylor & Associates. - Ontario. Ministry of the Environment. - Metropolitan Toronto and Region Conservation Authority.Edition:Publication info: Toronto, Ont, Mark E. Taylor & Associates, 1992Volume:Series:Holding Institution: Ontario Ministry of the EnvironmentSubjects: Biological treatment Constructed wetlands Function Ontario Purification Sewage Sewage lagoons Storm sewers Storm water retention basins Urban runoff Water Water quality management WetlandsBHL Collections:
-
By: Bradford, David F. - California. Department of Water Resources.Edition:Publication info: Los Angeles, CA, Environmental Science & Engineering Program, University of California, [1989]Volume:Series:Holding Institution: U.S. Government Printing OfficeSubjects: California Drainage Effect of water pollution on Environmental aspects Evaluation Safety measures San Joaquin Valley Selenium in agriculture Sewage lagoons Water birds WaterfowlBHL Collections:
-
By: Eby, Harry J. - Hsingh, V. P.Edition:Publication info: Washington, D.C, Agricultural Research Service, U.S. Dept. of Agriculture, 1972Volume: no.142Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Biological treatment Cyanobacteria Purification Sewage Sewage lagoonsBHL Collections: