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Lock and Dam No. 10 : ウィキペディア英語版 | Lock and Dam No. 10
Lock and Dam No. 10 is a lock and dam located in Guttenberg, Iowa on the Upper Mississippi River around river mile 615.0. It was constructed and placed in operation November 1937. The site underwent major rehabilitation 1989—2006. The dam consists of a concrete dam long with four roller gates and eight tainter gates. The earth embankment is long〔(Survey number HAER IA-22 - Upper Mississippi River 9-Foot Channel, Lock & Dam No. 10, Guttenberg, Clayton County, IA ) as built drawings.〕 with a concrete spillway long. The lock is wide by long. The Friends of Pool 10 is a volunteer organization dedicated to the cleanup of the sloughs, backwaters and islands of the pool. Its first annual cleanup was in April 2007. ==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「Lock and Dam No. 10」の詳細全文を読む
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