1910. American Geographical Society of New York. Relief shown by hachures.; "Mountains engraved by E. F. Woodward, Phila."; "Reduced and compiled under the direction of Col. J. J. Abert in the Bur... American Geographical Society (New York).
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1918. American Geographical Society of New York. Shows population density.; Plate X from: The Geographical Review, volume VI, no. 2, 1918. 20 x 24 centimeters Scale 1:2,000,000 General Map Collection. American Geograpical Society (New York), 1918.