A. Map of the Territories & Pacific States to Accompany "Across the Continent", by Samuel Bowles, dated 1865, hand color (18.0 x 13.7"). A handsome map of the western United States showing the routes of the Union Pacific and Central Pacific railroads, the Butterfield Express and Stage route, mail routes and the tracks of the Colfax expedition. The Spanish Trail and Emigrant Road are also featured on this very detailed map that was engraved by Goldthwaite and printed by Colton on banknote paper. The large Dakota Territory includes today's Wyoming and Arizona is still in possession of the southern tip of Nevada. An inset titled Plan of Central California on an Enlarged Scale is at lower right. Condition: Issued folding with light scattered stains and minor extraneous creases in the image.
B. Map to Illustrate Capt. Bonneville's Adventures Among the Rocky Mountains, Compiled by J. H. Colton, by George P. Putnam, dated 1852, black & white (17.6 x 11.3"). This interesting map is based on Fremont's map. The region west of the Mississippi to the Pacific Ocean is delineated with the rivers and towns of the gold region in California well shown. The expedition route described is that of Captain Benjamin Bonneville who explored the American West from 1832-1836. The expedition party traveled parallel to the course of the Snake and the Columbia Rivers, going as far as Fort Walla Walla before turning back. Fremont's route through California is shown, as well as Kearny's route along the Gila River and the Emigrant route. Published by J.H. Colton, No. 172, William Street, New York. Printed on fine banknote quality paper. Condition: Issued folding with a binding trim at lower right trimmed to just inside the neatline.