Great Lakes Circle Tour Great Lakes Circle Tour The Great Lakes Circle Tour is a designated scenic road system connecting all of the Great Lakes and the St. Lawrence River. It consists of routes for circumnavigating the lakes, either individually or collectively. In Michigan, the Lake Superior Circle Tour (LSCT) runs from the state line at Ironwood to Sault Ste. Marie. In between it follows U.S. Highway 2 (US 2) to Wakefield, M-28 to Bergland and M-64 to Ontonagon. At Ontonagon, the LSCT continues east along M-38 to M-26. It follows M-26 to Houghton and then follows US 41 north to Copper Harbor. There
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