Great Lakes form a single, naturally interconnected body of fresh water, within the Great Lakes Basin. They form a chain connecting the east-central interior of North America to the Atlantic Ocean. From the interior to the outlet at the Saint Lawrence River, water flows from Superior to Huron and Michigan, southward to Erie, and finally northward to Lake Ontario. The lakes drain a large watershed via many rivers, and are studded with approximately 35,000 islands. There are also several thousand smaller lakes, often called "inland lakes," within the basin. The surface area of the five primary lakes combined is roughly equal to
Great Lakes Airlines (Canada) Great Lakes Airlines (Canada) Great Lakes Airlines was a regional airline in Canada. It was formed in 1958 in Sarnia, Ontario by John Blunt and by 1983 became Air Ontario Ltd. In June 1987 Air Ontario Ltd. merged with Austin Airways to form Air Ontario Inc. which in turn subsequently operated Air Canada Connector code sharing passenger flights on behalf of Air Canada with Convair 580 and de Havilland Canada DHC-8 Dash 8 series 100 and 300 turboprops. Air Ontario also operated Fokker F28 Fellowship jets at one point. Aircraft in service with Great Lakes during the 1970s, being Convair