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・ South Fork Alsea River
・ South Fork American River
・ South Fork Animas River
・ South Fork Breitenbush River
・ South Fork Bridge
・ South Fork Bull Run River
・ South Fork Cache la Poudre River
・ South Fork Cascade Canyon Trail
・ South Fork Catawba River
・ South Fork Clackamas River
・ South Fork Clearwater River
・ South Fork Coos River
・ South Fork Coquille River
・ South Fork Crooked River
・ South Fork Crystal River
South Fork Dam
・ South Fork Dam (Nevada)
・ South Fork Eagle River
・ South Fork Eel River
・ South Fork Eel River Wilderness
・ South Fork Elk River
・ South Fork Estates, Texas
・ South Fork Feather River
・ South Fork Fishing and Hunting Club
・ South Fork Flathead River
・ South Fork Fryingpan River
・ South Fork Grand River (South Dakota)
・ South Fork High School
・ South Fork Humboldt River
・ South Fork John Day River


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South Fork Dam : ウィキペディア英語版
South Fork Dam

The South Fork Dam was located on Lake Conemaugh, an artificial body of water located near South Fork, Pennsylvania, United States. On May 31, 1889, the South Fork Dam failed catastrophically and 20 million tons of water from Lake Conemaugh burst through and raced 14 miles (23 km) downstream, causing the Johnstown Flood.
The South Fork Dam was originally built between 1838–1853 by the Commonwealth of Pennsylvania as part of the canal system to be used as a reservoir for the state's Main Line of Public Works canal basin in Johnstown. It was abandoned by the commonwealth, sold to the Pennsylvania Railroad, and sold again to private interests.
The dam was 72 feet (22 m) high and 931 feet (284 m) long. Between 1881 when the South Fork Fishing and Hunting Club was opened, and 1889, the dam frequently sprang leaks. It was patched, mostly with mud and straw. Additionally, a previous owner had removed and sold for scrap the three cast iron discharge pipes that previously allowed a controlled release of water. There had been some speculation as to the dam's integrity, and concerns had been raised by the head of the Cambria Iron Works downstream in Johnstown.
Prior to the flood, speculators had purchased the abandoned reservoir, made less than well-engineered repairs to the old dam, raised the lake level, built cottages and a clubhouse, and created the South Fork Fishing and Hunting Club. Members of the exclusive and secretive retreat in the mountains were 61 wealthy Pittsburgh steel and coal financiers and industrialists, including Andrew Carnegie, Andrew Mellon, Philander Knox, John George Alexander Leishman, and Henry Clay Frick. Daniel Johnson Morrell, of the Cambria Iron Works of Johnstown, also became a member, ostensibly to watch the Pittsburgh members' activity.
==Lake Conemaugh==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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