World ocean floors: Arctic ocean, Atlantic ocean /
Cartographic Division, National Geographic Society
- Washington, D.C. : National Geographic Society, Jan. 1990.
- 2 maps : both sides, folded, col. Scale 1:10,140,000. 1 in.= 160 miles, Scale 1:31,860,000. 1 in.= 503 miles
Maps- Arctic ocean, Atlantic Ocean
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Maps- Arctic ocean, Atlantic Ocean
912