"Water levels Great Lakes (North America)" . . "North America" . . "Great Lakes Environmental Research Laboratory." . . "Saint Lawrence River" . . "United States. National Oceanic and Atmospheric Administration." . . "Ontario, Lake (N.Y. and Ont.)" . . . . . . . . . . . . . . . . . . . "Rules"@en . . . . "Great Lakes climate change hydrologic impact assessment I.J.C. Lake Ontario-St. Lawrence River regulation study"@en . . "Great Lakes climate change hydrologic impact assessment : I.J.C. Lake Ontario-St. Lawrence River regulation study"@en . . . . . . . . . "Water levels Saint Lawrence River." . . . . "Lake Ontario." . . "Water levels Ontario, Lake (N.Y. and Ont.)" . . "Regulation of rivers and lakes." . . "Great Lakes." . . "Water levels." . .