...the flood hit Johnstown. The residents were caught by surprise as the wall of water and debris bore down, traveling at 40 miles per hour (64 km/h) and reaching a height of 60 feet (18 m) in places.
...the flood hit Johnstown. The residents were caught by surprise as the wall of water and debris bore down, traveling at 40 miles per hour (64 km/h) and reaching a height of 60 feet (18 m) in places.