Early Water Routes and Portages, 1600–1800
Water routes and portages in the northeastern United States. ...

The Route of the Cumberland Road, 1806
The route of the Cumberland Road, showing its later extension across Illinois....

The Route of the Erie Canal, 1815–1825
The route of the Erie Canal, showing the line of transportation from Lake Erie to New York City...

Navigable Rivers, 1820
Navigable rivers in the United States in about 1820. ...

Western Indians Trading Posts and Routes of Travel, 1820–1835
Western Indians trading posts and routes of travel 1820—1835, based on Chittenden's American Fur Trade....

Routes to the East from Western Agricultural Regions, 1825
A map from 1825 of the United States from east of the Mississippi River to the Atlantic showing the need for roads to get western produce from the plains across the mountains and to the marketplace in the eastern region....

Transportation During the Canal Era, 1825–1850
Transportation between the east and west during the Canal Era (1825—1850). ...

Highways and Waterways in the United States, 1826–1830
Highways and waterways in the United States in 1826—1830, based on H.S. Tanner's Map of 1825....

Early Highways, 1840
Notable battles and districts connected with famous authors and their books: Early highways expanding westward. ...

Principal Routes of Trade and Migration, 1840–1850
A map of the United States between 1840 and 1850 showing the states and territories, and the principal routes of transportation and westward migration during the period. The map shows frontier forts, outposts, and settlements, the primary migration r...