29 x 36 cm. 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 Dist. Office of the U.S. for the Southern. Dist. of New York." Hand colored. Decorative border. Atlas p. number in lower-right margin: 67. Shows routes of explorers, proposed railroad routes, wagon route, mail route, Indian reserves and mines. On verso: History and statistical view of Mexico. Original publisher: J.H. Colton.

'Johnson's California, also Utah, Nevada, Colorado, New Mexico, and Arizona, published by A.J. Johnson, New York.' 'Entered according to Act of Congress in the Year 1864, by A.J. Johnson in the Clerks Office of the District Court of the United States for the Southern District of New York.' Atlas page numbers in upper margin: 66-67. Relief shown by hachures. Prime meridians: Greenwich and Washington, D.C. Shows proposed railroads, locations of Indian tribes, natural features, counties, mines, mail routes, trails and routes of exploring expeditions. On verso: History and statistics of Mexico and Central America and statistics of national finances and the Post Office of the United States, 1860. Scale [ca. 1:3,484,800. 1 in. to ca. 55 miles] (W 123°--W 103°/N 42°--N 32°)