00000nam##2200000za#4500 9.652748 CaOODSP 20241203113635 ta 150407|2013||||xxc||||| f|0| 0 eng|d CaOODSP eng n-cn--- En164-31/2013E Canada. Environment Canada. Great Lakes Water Quality Agreement : protocol amending the Agreement Between Canada and the United States of America on Great Lakes Water Quality, 1978, as amended on October 16, 1983, and on November 18, 1987, signed September 7, 2012, entered into force February 12, 2013 Ottawa - Ontario : Environment Canada 2013. 54p. ; 28 cm. The purpose of this Agreement is to restore and maintain the chemical, physical, and biological integrity of the Waters of the Great Lakes. Softcover 13-49 2013-12-06 Lakes gcpds Accord relatif à la qualité de l'eau dans les Grands Lacs : (CaOODSP)9.685675 Great Lakes Water Quality Agreement (CaOODSP)9.822800