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- Als Marked Tree Lock and Siphons (deutsch etwa Schleuse und Heber bei Marked Tree) wird eine Hochwasserschutzanlage bei im Poinsett County im Nordosten des US-Bundesstaats Arkansas bezeichnet. Die 1988 in das National Register of Historic Places aufgenommene Anlage besteht aus einer stillgelegten Schleuse und Hebern, mit denen der Saint Francis River einen Deich überquert. (de)
- The Marked Tree Lock and Siphons are a flood control facility on the St. Francis River in Poinsett County, Arkansas. These facilities are located about 9 miles (14 km) north of Marked Tree. Built in 1926, the lock is located on a now disused and partially filled artificial channel west of the main river. It has a concrete trough about 130 feet (40 m) long and 30 feet (9.1 m) high, with a small brick control house from which four gates are operated to regulate water flow through the lock. The lock gates have been removed and that area filled in and topped by a roadway. The siphons are located on a levee that impounds the main river channel several hundred feet upstream from the lock, and consist of a series large metal tubes, whose ends are mounted in submerged concrete structures above and below the levee. The siphons were built in 1939 to solve the problem of water flow regulation in the wake of repeated major flooding events on the river, and are described by the United States Army Corps of Engineers as unique in the nation for their scope and efficiency. The lock and siphons were listed on the National Register of Historic Places in 1988. (en)
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- 21448.339039 (xsd:double)
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- 2583 (xsd:nonNegativeInteger)
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- One of the siphon pipes (en)
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- Marked Tree Lock and Siphons (en)
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- 35.58611111111111 -90.42972222222222
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| rdfs:comment
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- Als Marked Tree Lock and Siphons (deutsch etwa Schleuse und Heber bei Marked Tree) wird eine Hochwasserschutzanlage bei im Poinsett County im Nordosten des US-Bundesstaats Arkansas bezeichnet. Die 1988 in das National Register of Historic Places aufgenommene Anlage besteht aus einer stillgelegten Schleuse und Hebern, mit denen der Saint Francis River einen Deich überquert. (de)
- The Marked Tree Lock and Siphons are a flood control facility on the St. Francis River in Poinsett County, Arkansas. These facilities are located about 9 miles (14 km) north of Marked Tree. Built in 1926, the lock is located on a now disused and partially filled artificial channel west of the main river. It has a concrete trough about 130 feet (40 m) long and 30 feet (9.1 m) high, with a small brick control house from which four gates are operated to regulate water flow through the lock. The lock gates have been removed and that area filled in and topped by a roadway. The siphons are located on a levee that impounds the main river channel several hundred feet upstream from the lock, and consist of a series large metal tubes, whose ends are mounted in submerged concrete structures above and (en)
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- Marked Tree Lock and Siphons (de)
- Marked Tree Lock and Siphons (en)
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- POINT(-90.429725646973 35.586112976074)
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- Marked Tree Lock and Siphons (en)
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