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Fern Ridge Reservoir
Fern Ridge Reservoir (or Fern Ridge Lake) is a reservoir on the Long Tom River in the U.S. state of Oregon. The reservoir is located approximately west of Eugene on Oregon Route 126. The reservoir is a U.S. Army Corps of Engineers flood control project encompassing more than and is a popular site for boating, fishing, and birdwatching.〔http://corpslakes.usace.army.mil/visitors/projects.cfm?Id=G205830 Corps Lakes Gateway: Oregon - Fern Ridge Lake〕
Surrounding portions of the reservoir is the Fern Ridge Wildlife Area, a wildlife management area providing a unique habitat for a variety of species including wintering waterfowl populations.
== Fern Ridge Dam ==
The Fern Ridge Dam was completed in 1942,〔(【引用サイトリンク】url=http://www.naturalborders.com/methods/willamette/chapter26.htm )〕 and is currently one of 13 multi-purpose dams operated by the Corps of Engineers in the Willamette Valley. The dam provides flood control, irrigation, recreation, navigation, and improved downstream water quality. The water level is kept high from May through September for recreation purposes.
Throughout the summer, the water level is lowered by up to to provide for downstream irrigation needs, and is further lowered after September to provide necessary water storage capability to prevent possible downstream flood damage during the Willamette Valley's rainy season.〔https://www.nwp.usace.army.mil/op/V/proj_fernridge.asp U.S. Army Corps of Engineers: Portland District - Fern Ridge Dam and Reservoir〕 The U.S. Army Corps of Engineers’ major repair effort of Fern Ridge Dam on the Long Tom River near Eugene began in June 2005 and was completed in late October 2005. The internal drainage system was repaired and the embankment dam was rebuilt.
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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