In March, the Michigan Shipwreck Research Association announced it had discovered the wreck of the Milwaukee — a vessel that sunk to the bottom of Lake Michigan in 1886, 137 years before. Its discovery adds to the record number discovered in Lake Michigan last year. On this Daily J, WWJ's Brian Fisher explores what is known about the wreck, and why there is a surge in shipwreck discoveries. (Photo credit: Michigan Shipwreck Research Association)