Canada, Alaska and Greenland. - National Geographic Society. Cartographic Division; Darley, James Morrison (Washington : [editor no identificado], 1947)
"James M. Darley, chief cartographer. Comp. by D. G. Bouna et al. Relief By John J. Brehm"--Publicado con "National Geographic Magazine", v. 91, n. 6, jun. 1947--Inserciones: a. Aleutian Islands, same scale as main map b. Artic regions
Keywords: CANADA -- MAPAS; ALASKA (ESTADOS UNIDOS) -- MAPAS; GROENLANDIA -- MAPAS