In 1673, Jacques Marquette, Louis Jolliet, and their crew of five Métis voyageurs followed Lake Michigan to Green Bay and up the Fox River, nearly to its ...

Lake Erie and southern Lake Michigan (Lake Chicago) were first unveiled by glaciers about 10,000 years ago. Both originally drained to the southwest, out the ...

About 14,000 years ago, the glacier that occupied Lake Michigan (Lake Michigan ... Waves that lapped up against the moraines formed the first Lake Michigan ...

The formation of Lake Michigan began approximately 1.2 billion years ago. A mid-continental rift was caused by the separation of two tectonic plates, creating a ...

25 мая 2017 г. · The formation that is recognized as Lake Michigan today began about 1.2 billion years ago when two tectonic plates were ripped apart, creating ...

The region went from fire to ice with the arrival of the glaciers, which advanced and retreated several times over the last 5 million years.

Estimates range from 7,000 to 32,000 years of age. Water began filling the glacially scoured basins as soon as the ice receded, some 14,000 years ago. It is ...

Giant bulk freighters united the iron mines and stone quarries of the North with the coal fields of the South in the steel towns at the southern end of Lake ...

Approximately 1,000,000 years ago, glaciers up to 6,500 feet thick covered most of the Midwest. As these monstrous ice formations inched their way forward and ...