1928. United States. Hydrographic Office. "No. 5199."; "Showing Great Circle distances and Azimuths from Washington, D.C. to all points on the earths surface."; Prime meridian: Greenwich. 5... The Office (Washington, D.C).
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1918. United States. Hydrographic Office. Relief shown by hachures and spot heights.
Originally published on 1 sheet.
"No. 923." 67 x 119 centimeters Scale not given. General Map Collection. United States Hydrographic Office (Washington).
1917. United States. Hydrographic Office. Emergency reproduction (Aug. 1917).; "Small corrections XII-06. ... London, published at teh Admiralty, 12th Novr. 1904."; Relief shown by contours... The Office (United States).