Nebraska and Kansas.J.H. Colton & Co[1855?]"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."Covers Nebraska extending to the Canadian border and westward to Oregon and Kansas including present day Colorado.Includes text, ill., and insets of the United States and "Territory acquired from Mexico by the Gadsden Treaty."Relief shown by hachures.cartographic