Northern Pacific Railroad Co.--completed road, September 5th, 1882.
Map of the northern and western United States showing relief by hachures, drainage, cities and towns. Color coded to show "Northern Pacific Lines, Proper, Oregon Railway & Navigation Co's System, Oregon and Transcontinental Branch Lines, Lines to be constructed." Fringed lines indicate roads under construction.
Rand McNally and Company - Northern Pacific Railroad Company
The Union Pacific system of railroad and steamship lines, 1900.
Map of the western United States showing relief by hachures, drainage, cities and towns, and the railroad network coded by color. Shows lines as reorganized by Edward H. Harriman after the business depression of 1893. It was incorporated again in 1897 and assumed operation February 1, 1898.
Rand McNally and Company - Union Pacific Railroad Company