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Gunnison Tunnel : ウィキペディア英語版 | Gunnison Tunnel
The Gunnison Tunnel is a 5.8 mile (9.3 km) irrigation tunnel constructed between 1905 and 1909〔 Includes construction photos.〕 by the Bureau of Reclamation.〔(Project History - Uncompahgre Project ).〕 At the time of its completion, it was the longest irrigation tunnel in the world. The tunnel diverts water from the Gunnison River in the Black Canyon of the Gunnison to the arid Uncompahgre Valley around Montrose, Colorado. The tunnel opened in 1909 to much fanfare with a dedication ceremony attended by President William Howard Taft. In 1972, the tunnel was designated a National Civil Engineering Landmark by the American Society of Civil Engineers (ASCE). ==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「Gunnison Tunnel」の詳細全文を読む
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