New Discovery on September 16, 2017. (The Wreck of the Hiawatha, Schooner Barge that sank on September 20, 1917.) It was 4 AM Saturday morning when an image appears on the screen during a routine sonar expedition in Lake Ontario by Tim Caza and Dennis Gerber. There was a dive done two weeks after the discovery by Tim Caza and John Shaheen. The wreck is 70% intact and her Specs were 176.5 x 30 x11 with a cargo of hard coal aboard.