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The remaining abutment of the South Fork Dam with the US-219 highway bridge downstream in the background. The city of Johnstown, Pennsylvania was founded in 1800 by Swiss immigrant Joseph Johns (anglicized from "Schantz") where the Stonycreek and Little Conemaugh rivers joined to form the Conemaugh River.
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.
After finding a small earthen dam to be inadequate, the T. Chalkey Hatton firm was commissioned to build a large concrete gravity dam across the valley. The dam was 50 feet (15 m) high and 540 feet (160 m) long, and cost $86,000 to construct, (nearly $3,000,000 today adjusted for inflation). [1]
The 1930s dam also presents a flood risk since it's not equipped to handle the maximum amount of precipitation that could fall in the area, according to Pennsylvania Department of Environmental ...
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Pages in category "Disasters in Pennsylvania" ... 2013 Philadelphia building collapse; A. Austin Dam failure (Pennsylvania)
The reservoir emptying through the failed Teton Dam on June 5, 1976 Ruins of the dam of Vega de Tera (Spain) after breaking in 1959. A dam failure or dam burst is a catastrophic type of structural failure characterized by the sudden, rapid, and uncontrolled release of impounded water or the likelihood of such an uncontrolled release. [1]
The Rapidan Dam, built in 1910 and managed by Blue Earth County, was described on the county’s website as in a “state of disrepair.” After flooding in 2019 and 2020, a power generation ...