Skip to content
Map of the western half of North America with a single ridge marking the Rocky Mountains and almost no detail beyond to the Pacific coast.

Exploration

As president, Thomas Jefferson commissioned the Lewis and Clark Expedition to explore the newly purchased Louisiana Territory. He was a strong supporter of westward expansion and sponsored many expeditions to map the western parts of North America.

Skip in page navigation
The object of your mission...
Thomas Jefferson to Meriwether Lewis, 1803

Early Explorers

Your proposition respecting a tour to the west and North west of the Continent would be Extremely agreable to me ...
George Rogers Clark to Thomas Jefferson, 1784

Lewis & Clark

...of courage undaunted, possessing a firmness & perseverance of purpose which nothing but impossibilities could divert from it’s direction..
Thomas Jefferson, 1813

Pike, Dunbar & Hunter, Freeman & Custis

Not only Lewis & Clark, but Zebulon Pike, Dunbar & Hunter, and Freeman & Custis all explored the Louisiana Territory for Jefferson.

The Shop at Monticello

Next page in
Jefferson and . . .

Gardening