A map of Lewis and Clark's track across the western portion of North America, from the Mississippi to the Pacific Ocean : by order of the executive of the United States in

Scale ca. 1:4,400,000. Relief shown by hachures. Meridian: London and Washington. Available also through the Library of Congress Web site as a raster image. Vault AACR2

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A map of Lewis and Clark's track across the western portion of North America, from the Mississippi to the Pacific Ocean : by order of the executive of the United States in

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Second Printing of The Single Most Important Printed Map of the West in American History and First Tangible Step Toward Thomas Jefferson's Vision of

A Map of Lewis and Clark's Track, Across the Western Portion of North America, from the Mississippi to the Pacific Ocean; By Order of the Executive of

Sold at Auction: LEWIS, Meriwether (1774-1809) and William CLARK (1770-1838). A Map of Lewis & Clark's Track Across the Western Portion of North America, from the Mississippi to the Pacific Ocean, By

A Map of Lewis and Clark's Track Across the Western Portion of North America, from the Mississippi to the Pacific Ocean. By Order of the Executive of the United States in 1804

What Happened to William Clark After the Lewis and Clark Expedition?

A Map of Lewis and Clark's Track Across the Western Portion of North America, from the Mississippi to the Pacific Ocean. By Order of the Executive of the United States in 1804

Lewis and Clark on the Jefferson River: Ascending the Missouri Headwaters

Lewis & Clark Expedition, Timeline, Route & Significance - Video & Lesson Transcript