Known as the Iron Scow, the barge is the site of a historic rescue in 1918 Strong winds and rains during Thursday night's storm have moved the historic iron scow at the top of Canada's Horseshoe Falls, which had been stuck in the same place for more than 100 years — and now, it's closer to the edge. In a press release, Niagara Parks said that the deteriorated dumping scow, which is similar to a barge, used to be lodged in the upper rapids above the falls, but has shifted down river.