Lewis, M., & Clark, W. (2001). Atlas accompanying the original journals of the Lewis and Clark expedition, 1804-1806, being facsimile reproductions of maps chiefly by William Clark ... Now for the first time published, from the original manuscripts. Scituate, Mass.: Digital Scanning.

Lewis, Meriwether, and William Clark. Atlas Accompanying the Original Journals of the Lewis and Clark Expedition, 1804-1806, Being Facsimile Reproductions of Maps Chiefly By William Clark ... Now for the First Time Published, From the Original Manuscripts. Scituate, Mass.: Digital Scanning, 2001.

Lewis, Meriwether, and William Clark. Atlas Accompanying the Original Journals of the Lewis and Clark Expedition, 1804-1806, Being Facsimile Reproductions of Maps Chiefly By William Clark ... Now for the First Time Published, From the Original Manuscripts. Scituate, Mass.: Digital Scanning, 2001.