1892. National Geographic Society (U.S.). Depths shown by soundings.; On verso: "Peary's north Greenland expedition of 1891-92 : illustrated lecture by civil engineer R.E. Peary, U.S. Navy.... National Geographic Society (Washington, D.C).
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1905. National Geographic Society (U.S.). Shows the Paris Treaty Line, U.S. Signal Corps and civil government lines, and commercial lines.; Relief shown by shading and spot heights.; "Publi... National Geographic Society (Washington, D.C).
3. Map showing location of Panama Canal : as recommended by the Isthmian Canal Commission of 1899-1902
1905. National Geographic Society (U.S.). Relief shown by contours and hachures. Depths shown by soundings.; Supplement to National Geographic, October 1905.; Oriented with north toward upp... National Geographic Society (Washington, D.C).