» History of the expedition under the command of Captains Lewis & Clarke 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
History of the expedition under the command of Captains Lewis & Clarke 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
