How Old Are The Great Lakes
How old are the Great Lakes? The Great Lakes formed around 3,000 years ago near the end of the last ice age. Whether you are a US native or live internationally, you have likely heard of the Great Lakes. This group of five lakes makes up the largest freshwater region in the world, with over 21% of the entire surface supply of the earth being found within. The five lakes are Lakes Superior, Michigan, Huron, Erie, and Ontario and have a collective surface area that measures 94,250 square miles, roughly the size of the state of Oregon (96,003 square miles)....