The Great Lakes Observing System estimates mapping all five lakes will cost $200 million. The money would be spent on a combination of advanced sound and light detection technologies over ...

The Michigan Department of Natural Resources says 1,500 shipwrecks are submerged in Michigan waters, making up one quarter of the estimated 6,000 wrecks found throughout the Great Lakes.

Below is a map that shows how much Great Lakes water Michigan counties used between 2009 and 2014, sorted by economic category. The state is still compiling 2015 data.

Maps show just how much snow was dumped on the Great Lakes region Places that had below-average snowfall before this lake-effect event saw significant accumulations. December 4, 2024 ...

We have received text from H.R. 2731: Great Lakes Mapping Act of 2025. This bill was received on 2025-04-08, ... Completing a high-resolution map of the lakebeds of the Great Lakes.