The top of the world /
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| Other Authors: | |
| Format: | Map |
| Language: | English |
| Published: |
Washington :
National Geographic Society,
1949.
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| Subjects: |
| Item Description: | Relief by shading & spot hts.; railroads; arctic roads; glaciers; permanent polar ice; ocean currents; airline distance table; supplement to National Geographic Magazine, Volume XCVl, number 4, 1949. Map. |
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| Physical Description: | 1 map : color ; 70 x 67 cm. |