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White Sea–Baltic Canal
The White Sea–Baltic Canal ((ロシア語:Беломо́рско–Балти́йский кана́л), , ), often abbreviated to White Sea Canal () is a ship canal in Russia opened on 2 August 1933. It connects the White Sea with Lake Onega, which is further connected to the Baltic Sea. Until 1961, its original name was the Stalin White Sea–Baltic Canal (''Belomorsko–Baltiyskiy Kanal imeni Stalina'').
The canal was constructed by forced labor of gulag inmates. During its construction by a total of 126,000 workers, about 12,000 died, according to the official records,〔Сталинские стройки ГУЛАГа.1930-53», Москва, 2005,〕 while journalist Anne Applebaum's estimate is 25,000 deaths.〔Anne Applebaum ''Gulag: A History'' (London: Penguin, 2003), p79〕
The canal runs partially along several canalized rivers and Lake Vygozero. The total length of the route is . As of 2008, the canal sees only light traffic, carrying between ten and forty boats per day. Its economic advantages are limited by its minimal depth of , inadequate for most sea-going vessels. The canal was originally proposed to be deep, however various cost issues forced completion to much lesser depth.〔http://www.hoover.org/sites/default/files/uploads/documents/0817939423_151.pdf〕 This depth typically corresponds to river craft with deadweight cargo up to 600t, whilst useful sea going vessels of 2,000-3,000 dwt typically have drafts of 4.5m-6m.〔http://image.slidesharecdn.com/catalog-fenderbollard-130224235209-phpapp01/95/catalog-fenderbollard-47-638.jpg?cb=1361750574〕〔http://www.globalspec.com/reference/39299/203279/chapter-8-tpc-and-displacement-curves〕〔http://www.worldtraderef.com/WTR_site/vessel_classification.asp〕
==Waterway==
The total waterway length is , of which are man-made. The current flows north from Lake Onega to the White Sea, and all navigation marks are set according to it. Once in Lake Onega, ships can exit the southwest shore through the Svir River (and its two locks) to reach Lake Ladoga and then proceed down the Neva River to Saint Petersburg and the Baltic Sea. Alternatively, from Lake Onega river ships can sail eastward into the Volga–Baltic Waterway.
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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