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Date: 2012-07-30 13:23:30Sea ice Icebreaker Drifting ice station Polar ice packs Arctic Ocean Drift ice Nuclear-powered icebreaker Arctic Physical geography Glaciology Earth | SPECIAL G e o p h SECTION: ysics of t Gh eo e pnhoyrsti cAdd to Reading ListSource URL: ccom.unh.eduDownload Document from Source WebsiteFile Size: 403,13 KBShare Document on Facebook |