That rock layer typically dissolves over tens of thousands of years, forming caves underground that can be difficult to detect. Whether a sinkhole collapses dramatically has to do with the type of ...

Lt. Joseph Snyder of the United States Coast Guard Sector Northern Great Lakes that covers Lake Superior said via email: " I ...

JANESVILLE — Rock County will pay up to $425,500 to repair a retaining wall and fill a sinkhole at Indianford County Park south of Edgerton. The funds will go to the Rock Koshkonong Lake ...

TAMPA, Florida (WFTS) — A large sinkhole has opened up near homes and a busy road on the south side of Lakeland near Scott Lake. Sandra Benavidez Carpenter and her family saw it firsthand. “I ...

How do sinkholes in the Great Lakes form? Whether it’s on land or on the lake bottom, sinkholes form when water dissolves rock, causing the surface layer to collapse and form a hole.