1. Map of the United States, the British provinces, Mexico &c.; drawn & engraved by J.M. Atwood. Maps University Of Michigan Public content 1849. Atwood, John M., approximately 1818- and Colton, J. H. (Joseph Hutchins), 1800-1893. Relief shown by hachures and spot heights. Shows California's gold region and western trails. "Entered according to act of Congress in the year 184...