Khác biệt giữa bản sửa đổi của “Hành lang Tây Bắc”
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Dòng 35:
* [http://www.mountaineering-scotland.org.uk/news/nwpassage.html Irish Expedition completes the elusive Northwest Passage]
* [http://www.pbs.org/wgbh/nova/arctic/ Arctic Passage] at [[PBS]]' [[Nova (TV series)|Nova]] site has articles, photographs and maps about the Northwest Passage, particularly the [[John Franklin|1845 Franklin]] and [[Roald Amundsen|1903 Amundsen]] expeditions
* [http://web.archive.org/web/20051013081346/http://www.iht.com/articles/2005/10/09/news/arctic.php 'The Great Game in a cold climate']
* [http://www.ric.edu/rpotter/woodman/utjulik.html Mission to Utjulik]
* [http://www.gi.alaska.edu/ScienceForum/ASF6/639.html The Voyage of the ''Manhattan'']
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