Title The journals of the expedition under the command of Capts. Lewis and Clark to the sources of the Missouri, thence across the Rocky Mountains and down the River Columbia to the Pacific Ocean. Performed during the years 1804-5-6 by order of the Government of the United States. / Edited by Nicholas Biddle, with an introd. by John Bakeless and illustrated with water colors and drawings by Carl Bodmer and other contemporary artists.