00000nas 2200000zi 4500 9.505399 CaOODSP 20251003141203 m go d f cr ||||||||||| 150406c19939999oncmr p o f0 a0eng|d 1925-5713 CaOODSP eng rda CaOODSP n-cn--- En162-1E-PDF Level news (Online) Level news : Great Lakes - St. Lawrence River water levels. LEVELnews Great Lakes - St. Lawrence River water levels Burlington, ON : Environment Canada = Environnement Canada. Monthly text txt rdacontent computer c rdamedia online resource cr rdacarrier Began with volume 1, number 1 (September 23, 1993). Also issued in French under title: Info-niveau. Some issues published in consolidated annual volumes. Lakes gcpds Water management gcpds Canada. Environment Canada. Info-niveau : (CaOODSP)9.501798