'The airplane and the Arctic', Harpers
Tags: 1920s; 1927; 1927-10-1; Aerial exploration; Aeronautics; Aeronautics and Aerospace; Arctic regions; Discoveries in geography; Discovery and exploration; Engineering; Explorers; Flights; History; Stefansson, Vilhjalmur
'Magellan finds the strait', Harpers
Tags: 16th century; 1920s; 1924; 1924-10-1; Discoveries in geography; Discovery and exploration; Earth Sciences; Explorers; Fernão de Magalhães; Geography; Hildebrand, Arthur Sturges; Magellan; Portugal; South America; Strait of (Chile and Argentina)
'Unexplored regions of the earth', Harpers
Tags: 1900s; 1907; 1907-1-1; Adams, Cyrus C. (Cyrus Cornelius); Cartography; Discoveries in geography; Earth Sciences; Geography
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