“A Map of Lewis and Clark’s Track Across the Western Portion of North America from the Mississippi to the Pacific Ocean…”

“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, -5 and -6.” Found in Travels to the Source of the Missouri River and Across the American Continent to the Pacific Ocean … 1804, 1805, and 1806 by Meriwether Lewis and William Clark. London: Printed for Longman, Hurst, Rees, Orme and Brown, 1814. Reproduction. Stanley F. Horn Book Collection.