Shows railroads, steamship routes, and submarine telegraph lines.; Depths shown by gradient tints, isolines, and spot heights.; "Copyright, 1913, by American Bank Note Company, New York."; Supplement to the February, 1913, issue of the National Geographic magazine.; Includes inset and cross-section of Panama Canal Zone. 31 x 48 centimeters Scale 1:9,000,000 General Map Collection
Creator:
American Bank Note Company
Publisher:
National Geographic Society (Washington, D.C.?), 1913
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