01037cam a2200313 4500001515443MiAaHDL20141009010000.0m d cr bn ---auaua900530s1973 dcua b f001 0 eng 73603276 sdr-uiuc2889164sdr-nrlfGLAD184719762-BUC 05083125ASZ-3333(OCoLC)803613DLCDLCOCLUIUn-us---UIUUTD223.M315628.1/688EP 1.2:Aq 3Mackenthun, Kenneth Marsh,1919-Toward a cleaner aquatic environment[by] Kenneth M. Mackenthun.[Washington] :Environmental Protection Agency, Office of Air and Water Programs; for sale by the Supt. of Docs., U.S. Govt. Print. Off.,1973.xvii, 273 p.illus.24 cm.Includes bibliographies.Mode of access: Internet.Water quality managementUnited States.WaterPollutionUnited States.00151544320030802220731.020141009010000.020141112164151.02024-12-29T19:01:51Z2024-12-29T18:30:02ZSDR-UIUCUNKNOWNloader.pl-003-020BKsdr-uiuc2889164uiugSDRUIUCuiug.30112009885713UIU2889164UIUUIUC20241229googleuiug.301120098857131973pdbibUS fed docUCNRLF20240430googleuc1.b43229161973pdbibUS fed doc