drawn by Geo. W. Colton ; engraved by John. M. Atwood ; border desigd. & engd. by W. S. Barnard. Relief shown by hachures. Latitudinal and longitudinal lines. Prime meridians: Greenwich (top) and Washington (bottom). Coordinates approximate and based on Greenwich meridian. 2 bar scales on map, given in "statute miles" and "geographical miles." Includes legend beneath title. Shows topography, drainage, state boundaries, cities and towns, railroads, roads, canals, ocean routes, etc. Floral border and decorative cartouche with eagle. Illustrations of ships. Descriptive text throughout. "Entered according to act of Congress in the year 1848 by J.H. Colton in the Clerks Office of the Southern District of New York." Collector's note: This is 3rd 1849 issue. On map "Gold Region" still appears north of the American River; now "El Dorado Gold Region" appears along the Feather River. Many rivers flowing into Sacramento River now located and named. There is a representation of the Delta region following Preuss/Fremont. New Helvetia/Sutter's Fort is only settlement located in Central Valley and gold region. Fremont's route along the Humboldt has been added as well as some additional north-south mountain ranges in the Great Basin following Preuss/Fremont. Inset map: A map of the Atlantic Ocean showing the American & European ports and the routes of the Atlantic steamers. 12 pictorial vignettes: Willammette Falls, Oregon -- Astoria, Oregon -- Saratoga Lake, New York -- Valley of the Connecticut from Mt. Holyoke -- Bunker Hill Monument Boston, Mass. -- Washington Monument New York -- Capitol, Washington City -- Entrance of a port -- Mexicans catching wild cattle -- -- Cathedral, City of Mexico -- Pulaski Monument Savannah, Ga. -- Pulaski Monument Savannah, Ga. --- Battle Monument Baltimore, Md. Stanford copy folded, in black morocco covered folder, blind stamped, title in gilt on front cover, 6 1/4"x 4 1/16".