The dam broke after several days of extremely heavy rainfall, releasing 14. 55 million cubic meters of water . The American Red Cross, led by Clara Barton and with 50 volunteers, undertook a major disaster relief effort. Support for victims came from all the johnstown flood book pdf the United States and 18 foreign countries.
After the flood, survivors suffered a series of legal defeats in their attempts to recover damages from the dam’s owners. Public indignation at that failure prompted the development in American law changing a fault-based regime to strict liability. Stony Creek and Little Conemaugh rivers joined to form the Conemaugh River.
It began to prosper with the building of the Pennsylvania Main Line Canal in 1836 and the construction in the 1850s of the Pennsylvania Railroad and the Cambria Iron Works. By 1889, Johnstown’s industries had attracted numerous Welsh and German immigrants. With a population of 30,000, it was a growing industrial community known for the quality of its steel.