Welcome to DU! The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards. Join the community: Create a free account Support DU (and get rid of ads!): Become a Star Member Latest Breaking News Editorials & Other Articles General Discussion The DU Lounge All Forums Issue Forums Culture Forums Alliance Forums Region Forums Support Forums Help & Search
3 replies = new reply since forum marked as read
Highlight: NoneDon't highlight anything 5 newestHighlight 5 most recent replies
State of the Great Lakes 2025 Report (Original Post) Beringia 18 hrs ago OP
Under the Great Lakes Coldwater 18 hrs ago #1
I found this online, so you're right. Far from my domain of interest though Beringia 1 hr ago #3
Thanks for the info. tazcat 15 hrs ago #2

Beringia

(5,464 posts)
3. I found this online, so you're right. Far from my domain of interest though
Sun Mar 1, 2026, 08:38 AM
1 hr ago

One of the world's largest salt deposits lies beneath the Great Lakes region, specifically within the Michigan Basin. The Goderich salt mine beneath Lake Huron is the world's largest, extending roughly 7 square kilometers. This massive, ancient sedimentary deposit runs under Lake Huron, Lake Erie, and Michigan, supplying vast amounts of road salt

Latest Discussions»Region Forums»Illinois»State of the Great Lakes ...