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_c26370 _d26370 |
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_aCartographic Division, National Geographic Society _918096 |
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_aArctic ocean: _bThe unexpected frontier / _cCartographic Division, National Geographic Society |
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_aWashington, D.C. : _bNational Geographic Society, _cMar. 2009 |
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_a 2 maps : both sides, folded, col. _cScale 1:10, 505,000. 1 in.= 166 miles. |
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_aMaps- Arctic ocean, Arctic ice _918097 |
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_a William E. McNulty _eDirector of Maps _918098 |
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_2ddc _cMAP |