Dredging companies do more than just deepen harbors and riverbeds to facilitate domestic and global trade. They also recycle and repurpose the dredged.
The Lee A. drops 21 feet through the Poe Lock from Lake Superior to the Saint Mary's River uppermichiganssource.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from uppermichiganssource.com Daily Mail and Mail on Sunday newspapers.