Johnstown Flood | Cascade | 3

Despite the efforts of engineer John Parke, the South Fork Dam does break. The ensuing flash flood sweeps up a vast, moving wall of debris: mud, rocks, trees, fragments of bridges and smashed-up houses. Residents in Johnstown, including Reverend H.L. Chapman and his family, have mere seconds to flee to higher ground as the floodwaters and debris crash into t ... Show More