00000nas 2200000za 4500 9.850199 CaOODSP 20241203113641 cr ||||||||||| 180117d1993200uoncar p o f0###a0eng|d CaOODSP eng n-cn-on n-cn-qu En161-20E-PDF A report on ... water levels of the Great Lakes and the St. Lawrence River [electronic resource] / Great Lakes-St. Lawrence Regulation Office. Cornwall, Ontario : Atmospheric Environment Branch - Ontario Region, Environment Canada Annual Began with 1993? Ceased with 2001? Digitized edition from print [produced by Environment and Climate Change Canada]. "This report describes the water levels in the Great Lakes - St. Lawrence River system. It also provides an assessment of hydrologic data collected by other agencies. Water level elevations are in metres above sea level at Rimouski, Quebec, on the International Great Lakes Datum (IGLD) of 1985. River flows are in cubic metres per second (m3/s). The geographic area covered in the report extends from Lake Superior to Montreal on the St. Lawrence River"--Introd., 1999. Description based on: 1998. Latest issue consulted: 2001. gccst Water management gccst Lakes gccst Rivers Canada. Environment Canada. Great Lakes-St. Lawrence Regulation Office. A report on ... water levels of the Great Lakes (CaOODSP)9.850203