翻訳と辞書 Words near each other ・ River Meavy ・ River Meden ・ River Media ・ River Medina ・ River Medlock ・ River Medway ・ River Meese ・ River Meetinghouse ・ River Meles ・ River Mellte ・ River Memories ・ River Menalhyl ・ River Meon ・ River Mersey ・ River mile ・ River Mill Hydroelectric Project ・ River Mimram ・ River Mint ・ River Misbourne ・ River Mite ・ River Mole ・ River Mole, Devon ・ River monitor ・ River Monnow ・ River Monsters ・ River Mora Diphlu ・ River Morar ・ River morphology ・ River Moselle (London) ・ River Mountains Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク River Mill Hydroelectric Project ： ウィキペディア英語版 River Mill Hydroelectric Project River Mill Hydroelectric Project, also known as River Mill Dam and Station M, is a hydroelectric dam and powerhouse in Clackamas County, Oregon, United States. It is just north of Estacada, Oregon on the Clackamas River at river mile 23.5. The dam has been in continuous production of hydroelectric power since 1911, when its construction was funded by the Portland Railway, Light and Power Company. It was one of four related projects on the Clackamas River: the Oak Grove Hydroelectric Project (developed 1923-1956), the North Fork dam (1958), and the Faraday Dam (1907-1910), all upstream (south) of River Mill.〔http://pdfhost.focus.nps.gov/docs/NRHP/Text/01000497.pdf〕 All four are still owned and operated by the successor company, Portland General Electric.〔(【引用サイトリンク】title= Clackamas River Photo Tour: River Mill )〕 The principle designer of the original Mill Run Dam was the Norwegian immigrant Nils F. Ambursen (1876-1958). Based in Boston, his Ambursen Hydraulic Construction Company designed over a hundred dams in the United States from 1903 through 1917. Ambursen's patented concrete-slab-and-buttress dam design was a significant advance in dam design of this era. Mill Run is one of only three Ambursen-type dams built west of the Mississippi, and evidently the only one to survive.〔http://pdfhost.focus.nps.gov/docs/NRHP/Text/01000497.pdf〕 The project is listed on the National Register of Historic Places, and in the Oregon Historic Sites Database of the Oregon State Historic Preservation Office.〔(【引用サイトリンク】title= Oregon Historic Sites Database: River Mill Hydroelectric Project )〕 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「River Mill Hydroelectric Project」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.