In St. Joseph, Michigan, on the shores of Lake Michigan, residents have spotted hundreds of slabs of sand covered in snow and ice. Although they look more like rocks after decades of erosion on the bottom of the lakebed, the solid chunks are the end result of freezing temperatures, powerful wind gusts, and miles of coastline getting battered by mother nature forces. Read the full story by WJBK-TV – Detroit, MI.
Great Lakes Commission
https://www.glc.org/dailynews/20230203-sand-formations