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The Three Mile Island accident was a partial nuclear meltdown of the Unit 2 reactor (TMI-2) of the Three Mile Island Nuclear Generating Station on the Susquehanna River in Londonderry Township, near Harrisburg, the capital city of Pennsylvania, United States. The reactor accident began at 4:00 a.m. on March 28, 1979, and released radioactive ...
8,900 sq mi (23,000 km 2) [5] Red Bluff Diversion Dam is a disused irrigation diversion dam on the Sacramento River in Tehama County, California, United States, southeast of the city of Red Bluff. Until 2013, the dam provided irrigation water for two canals that serve 150,000 acres (61,000 ha) of farmland on the west side of the Sacramento Valley.
Automatic fish counters are automatic devices for measuring the number of fish passing along a particular river in a particular period of time. Usually one particular species is of interest. One important species studied by fish counters are Atlantic salmon. This species is of interest owing to its ecologically vulnerable status and anadromous ...
Length. 1,020 ft (310 m) Elevation at crest. 94.6 ft (28.8 m) The Holyoke Dam, also referred to as the Hadley Falls Dam, or Hadley Falls Station is a granite dam built in tandem with the Holyoke Canal System at Hadley Falls on the Connecticut River, between Holyoke and South Hadley, Massachusetts. [3] The water differential created by the dam ...
This category includes dams with various types of infrastructure to enable fish to bypass the dam, not all of which are strictly ladders. Pages in category "Dams with fish ladders" The following 30 pages are in this category, out of 30 total.
April 13, 1977. Designated CP. November 13, 1984. The Great Stone Dam (also called the Lawrence Dam or Lawrence Great Dam) was built between 1845 and 1848 [2] on the site of Bodwell's Falls [3] on the Merrimack River in what became Lawrence, Massachusetts. The dam has a length of 900 feet (270 m) and a height of 35 feet (11 m).
Dam and spillways. Type of dam. Diversion dam. Height. 17 feet (5.2 m) Length. 700 feet (210 m) The San Acacia Diversion Dam is a structure built in 1934 for the Middle Rio Grande Conservancy District (MRGCD) near to San Acacia, New Mexico, United States. It diverts water from the Rio Grande into irrigation canals.
It was completed in 1951 alongside the dam for the hydro-electric power station as part of the Tummel hydro-electric power scheme and was installed in 1952. It was the first of its type in Scotland. The fish ladder consists of 34 separate pools, each 50 centimetres (1.6 ft) higher than the last and covering a distance of 310 metres (340 yd).