Maps for download are organized by state, Great Lake, and into those that show the region as a whole ... and Wisconsin Departments of Natural Resources (DNR) who helped us by providing access to ...

Parts of the Great Lakes that ... from Siberia set to 'turn US into winter wonderland' as temperatures plummet Those cold winds pouring over the still warmer Great Lakes will regenerate lake ...

Another winter storm has been forecast to impact the U.S. this weekend, with the potential to bring inclement weather from Texas and the Midwest to the Northeast.

Could Lake Ontario get a Trump name change? Let us know your thoughts as we process the switch to Gulf of America and maps convert.

As executive director of the Great Lakes Observing System, she’s leading a campaign to map every meter of the lakes’ bottom.

New research suggests an ancient hotspot helped shape the Great Lakes, challenging traditional formation theories.