An excellent first edition example of Colton's rare map of the United States. Covers the United States from Coast to coast and shows a very early configuration of the Transmississippi. Nebraska is shown at its fullest, extending from Kansas to the Canadian border. Montana, Wyoming, Idaho, Arizona, Colorado, West Virginia, and Nevada do not yet appear on the map. Identifies Pikes Peak, Fremont's Peak, Mt. Rainier, Mt. St. Helens, and the Three Tetons. Also identifies the paths taken by various important explores including Fremont and Humboldt. Indicates the three major proposed routes for the Pacific Railroad. Names numerous American Indian nations throughout. Hand colored in pink, green, yellow and blue pastels. Surrounded by Colton's typical spiral motif border. Dated and copyrighted to J. H. Colton, 1855. Published as page nos. 7-8 in volume 1 of the first edition of George Washington Colton's 1855 Atlas of the World .