Opening the West with Lewis and Clark: By Boat, Horse and Foot Up the Great River Missouri, Across the Stony Mountains and on to the Pacific, when in the Years 1804, 1805, 1806, Young Captain Lewis, the Long Knife, and His Friend Captain Clark, the Red Head Chief, Aided by Sacajawea, the Birdwoman, Conducted Their Little Band of Men Tried and True Through the Unknown New United States