29 x 36 cm. Shows natural features, and populated places, wagon route, proposed railroad routes and explorers' routes. Relief shown by hachures. Prime meridians: Greenwich and Washington. "Entered according to act of Congress in the year 1855 by J.H. Colton & Co in the Clerk's Office of the District Court of the U.S. for the Southern District of New York." Hand colored. Atlas p. number in lower-right margin: 51. Decorative border. The geographic region of Southwest is referred to as the New Southwest. Original publisher: J.H. Colton .
26 x 32 cm. Relief shown by hachures. "Entered according to act of Congress in the year 1867 by S. Augustus Mitchell in the Clerks Office of the District Court for the Eastern District of Pennsylvania." Includes decorative border of grape vines. Shows Tucson as capital of Arizona; shows various trails including Cook's Wagon Route, Marcy's Route, and Kearney's Route. Written in pencil in lower right corner: 135. Original publisher: S.A. Mitchell.