Though the five lakes lie in separate basins, they form a single, naturally interconnected body of fresh water, within the See more

The Great Lakes contain 21% of the world's surface fresh water: 5,472 cubic miles (22,810 km ), or 6.0×10 U.S. gallons, that is 6 quadrillion U.S. gallons, (2.3×10 liters). The lakes … See more

It has been estimated that the foundational geology that created the conditions shaping the present day upper Great Lakes was laid from 1.1 to 1.2 billion years ago, when two … See more

Historically, the Great Lakes, in addition to their lake ecology, were surrounded by various forest ecoregions (except in a relatively small area of southeast Lake Michigan where See more

Lake Erie From the Erie tribe, a shortened form of the Iroquoian word erielhonan 'long tail'. Lake Huron Named for the inhabitants of the area, the … See more

The Great Lakes have a humid continental climate, Köppen climate classification Dfa (in southern areas) and Dfb (in northern parts) with varying influences from air masses from other … See more

Several Native American populations (Paleo-indians) inhabited the region around 10,000 BC, after the end of the Wisconsin glaciation. The peoples of the Great Lakes traded from around … See more