Great Lakes–Saint Lawrence River Basin Sustainable Water Resources Agreement Great Lakes–Saint Lawrence River Basin Sustainable Water Resources Agreement The Great Lakes–Saint Lawrence River Basin Sustainable Water Resources Agreement is a good-faith agreement among the Governors of the U.S. states of Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania and Wisconsin, and the Premiers of the Canadian provinces of Ontario and Quebec. The agreement details how the States and Provinces will manage the use of the Great Lakes Basin's water supply and builds on the 1985 Great Lakes Charter and its 2001 Annex. It was signed on December 13, 2005. The agreement provides a framework for each Great Lakes state
Nipissing Great Lakes both Lake Erie and Niagara Falls would lack the volume of water needed to cut the channel through the Niagara limestone cap rock. Lake Erie was a nonglacial lake in this period. The third stage of nonglacial development ended the Lake Algonquin. A fourth stage was initiated when the upper lakes entered the Nipissing Great Lakes stage and that volume of water was diverted through the outlet at North Bay, Ontario. At this low stage, Lake Erie was to lower than present lake level and which lasted throughout the time of the Nipissing Great Lakes. The Lake Algonquin period of