Only a fraction of the Great Lakes' bottom has been mapped, and those low-resolution charts were completed decades ago, according to the Great Lakes Observing System. The organization has been pushing ...

MADISON, Wis. (AP) — Jennifer Boehme grew up scouting beaches around her home in St. Petersburg, Florida, for whatever she could find. Rocks, sand dollars, coquina mollusks — anything the ocean gave ...

MADISON, Wis. — Jennifer Boehme grew up scouting beaches around her home in St. Petersburg, Fla., for whatever she could find. Rocks, sand dollars, coquina mollusks — anything the ocean gave up. Now, ...

Jennifer Boehme spent her childhood combing Florida beaches for treasures, and now she leads a far more ambitious exploration, spearheading an effort to map the bottom of the Great Lakes. As executive ...

Jennifer Boehme grew up scouting beaches around her home in St. Petersburg, Florida, for whatever she could find. Rocks, sand dollars, coquina mollusks — anything the ocean gave up. Now, 40 years ...

Lake Erie is the shallowest of the Great Lakes with an average depth of 62 feet, but it is also the most biologically productive. All of the Great Lakes rank among the 15 largest lakes in the world ...

We know they are great, but which of the Great Lakes sinks to the greatest depths? Let's don the goggles and dive into the official data.