Itineraries described in Captain Marcy's Prairie Traveller, 1843–1868
The system of overland roads between the Mississippi River and the Pacific Ocean, over which moved the migrations to the far West during the period between 1843 and 1868....

The System of Communication, Western United States, 1850
The chief systems of overland travel and communication during the middle nineteenth century including railroads, stage lines, and trails (Oregon Trail, Spanish Trail, Santa Fe Trail, and the Route of the Forty-niners). The system of western forts pro...

Transportation After Building the Trunk Lines, 1850
Transportation between the east and west after the building of the trunk lines...

Railroad Lines, 1850–1860
Railroad lines in actual operation in October of 1860. ...

Trunk Line Railway Systems, 1865–1875
Trunk line railway systems, disregarding minor branches 1875....

Railroads, 1898
Railroads in the contiguous 48 states as of 1898. Nearly half of the world's length of railroad is in the United States." &mdashRedway, 1898. ...

United States Railroads, 1901
A map from 1901 showing the railroad network in the United States at the time....

United States showing Important Commercial Routes, 1902
The United States, showing important commercial routes....

Long Distance Routes out of Chicago, 1902
Chicago, Northwest to Duluth, Minn. And Fargo, Dak. and west to Sioux City and Omaha and return, without a double.—Reference Book (and Key) Containing Ratings of Merchants, Manufacturers and Traders Generally, throughout the United States & Can...

Long Distance Routes from St. Louis to Denver, 1902
From St. Louis to Denver and Return. Including the most important towns and direct routes, without a double.—Reference Book (and Key) Containing Ratings of Merchants, Manufacturers and Traders Generally, throughout the United States & Canada, 1...