(W 113°--W 90°/N 49°--N 32°). Relief shown by hachures. Covers Nebraska extending to the Canadian border and westward to Oregon and Kansas including present day Colorado. "Entered according to act of Congress in the year 1855 by J.H. Colton in the clerks office of the district court of the United States for the southern district of New York." Includes text, ill., and insets of the United States and "Territory acquired from Mexico by the Gadsden Treaty." 65 x 53 centimeters Scale approximately 1:3,900,000 General Map Collection
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