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The Johnstown Flood, sometimes referred to locally as Great Flood of 1889, occurred on Friday, May 31, 1889, after the catastrophic failure of the South Fork Dam, located on the south fork of the Little Conemaugh River, 14 miles (23 km) upstream of the town of Johnstown, Pennsylvania, United States. The dam ruptured after several days of ...
The Johnstown flood of 1977 was a major flood which began on the night of July 19, 1977, when heavy rainfall caused widespread flash flooding in Cambria County, Pennsylvania, United States, including the city of Johnstown and the Conemaugh Valley. On July 19, a deluge of rain hit the Johnstown area during the night.
A modern view of the South Fork Dam. The large gap overlooked by the two wooden terraces pictured is the breach that caused the Johnstown Flood.. The South Fork Dam was an earthenwork dam forming Lake Conemaugh (formerly Western Reservoir, also known as the Old Reservoir and Three Mile Dam, a misnomer), [1] an artificial body of water near South Fork, Pennsylvania, United States.
The Johnstown Flood National Memorial is a unit of the United States National Park Service. [ 2 ] [ 3 ] Established in 1964 [ 4 ] through legislation signed by President Lyndon B. Johnson , [ 5 ] [ 6 ] it pays tribute to the thousands of victims of the Johnstown Flood , who were injured or killed on May 31, 1889 when the South Fork Dam ruptured.
The disaster became widely known as the Johnstown Flood, and locally known as the "Great Flood". Rumors of the dam's potential for harm, and its likelihood of bursting, had been circulating for years. At least three warnings sent from South Fork to Johnstown by telegram the day of the disaster went virtually unheeded downstream.
Deaths. 25. Property damage. US$43 million [1] The Johnstown flood of 1936, also collectively with other areas referred to as the Saint Patrick's Day Flood, was a devastating flood in Cambria County, and Johnstown, Pennsylvania proper, referred to as "Greater Johnstown". The flood was preceded by heavy rains beginning March 9, 1936, which did ...
Architectural style. French Gothic revival. NRHP reference No. 72001100 [1] Added to NRHP. June 19, 1972. The Johnstown Flood Museum is a history museum located in Johnstown, Pennsylvania, dedicated to the Johnstown Flood of 1889. The museum is housed in the former Cambria Public Library, which is part of the Downtown Johnstown Historic District.
Laurel Run Dam. The Laurel Run Dam, also known as Laurel Run Dam No. 2, was an earthen embankment dam that failed during the Johnstown Flood of 1977. It had the largest reservoir of seven dams to fail between July 19 and 20, 1977 and caused the most fatalities of the two that did. The dam failed in the early morning of July 20 after period of ...