A map of the Pacific region of the United States west of the Rocky Mountains in 1841-1850. The map shows the Old Spanish Trail from Los Angeles to Santa Fe, the Pioneer Route from the Platte River to San Francisco, the routes of Fremont...

A map of the Northwest Territory between the Allegheny Mountains and the Mississippi River and the Great Lakes to the Tennessee River showing the military operations and extent of settlement in the area during the American Revolutionary...

An interactive site that has students follow the Lewis and Clark's expedition. As they travel west, they are able to collect objects on their journey and put them in their specimen box. They also take notes on their specimens so they can...