1. Map of the western railroads tributary to the principal Atlantic cities. Pennsylvania State University Public content 1854. Scale approximately 1:2,217,600; 1 map: color; 42 x 93 cm, folded in cover 15 x 10 cm Railroads--East (U.S.)--Maps. Lippincott, Grambo & Co.
2. Territory of the United States, from the Mississippi River to the Pacific Ocean : originally prepared to accompany the reports of the explorations for a Pacific railroad route Pennsylvania State University Public content 1854. Freyhold, Edward. Railroads--West (U.S.)--Maps.