Sediments by Southern Shores of Lakes Michigan and Huron – October 25th, 201142.8N 87.3W
Sediments line the southern shorelines of Lakes Michigan (left) and Huron (right), near the USA-Canada border. Lake Michigan is the only one of the Great Lakes wholly within the borders of the United States; the others are shared with Canada.
Lake Michigan has a surface area of 22,400 square miles (58,000 km2) (58,016 km²), making it the largest lake entirely within one country by surface area, and the fifth largest lake in the world. It is 307 miles (494 km) long by 118 miles (190 km) wide with a shoreline 1,640 miles (2,640 km) long.