When the earth shook and the face of the American falls gave way sending thousands of tons of rock crashing down through the heavy mist into the Niaga(...)

Original Toronto Star caption: When the earth shook and the face of the American falls gave way sending thousands of tons of rock crashing down through the heavy mist into the Niagara gorge; the steamer Maid of the Mist; shown directly under the new gouge in the falls; was out in the river with her sight-seeing group of passengers