12 things you (maybe) didn't know about the Great Lakes
DETROIT – Michigan is surrounded by the Great Lakes -- a network of five large, fresh water lakes, which began forming about 14,000 years ago.
The lakes are a huge resource for Michigan, surrounding states and even Canada, serving as a road for trade, migration and wildlife.
Here are some things about the Great Lakes you may not have known:
Copyright 2016 by WDIV ClickOnDetroit - All rights reserved.