Map showing the known and unknown World just before Christopher Columbus

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Description

Citation

This primary source comes from the Records of the Office of the Chief Signal Officer.

National Archives Identifier: 86729908

Full Citation: Map showing the known and unknown World just before Christopher Columbus; 2/19/1921; Photographs of American Military Activities, ca. 1918 – ca. 1981; Records of the Office of the Chief Signal Officer, Record Group 111; National Archives at College Park, College Park, MD. [Online Version, https://docsteach.org/document/map-showing-the-known-and-unknown-world/, April 19, 2026]

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