Great Lakes Charter an Annex to the Great Lakes Charter. This led to the Great Lakes-St. Lawrence River Basin Sustainable Water Resources Agreement of 2005 and the Great Lakes Compact which became effective in 2008. The Council of Great Lakes Governors serves as secretariat to the Governors' and Premiers' Regional Body created by the Agreement and the Governors' Compact Council created by the Compact. Great Lakes Charter The Great Lakes Charter 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
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