|1||Mouth of Platte River|
|2||Mouth of Teton River|
|4||Mouth of Yellowstone River|
|6||Mouth of Marias River|
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 & 6. Copied by Samuel Lewis from the Original Drawing of Wm. Clark. Engraving. Lewis, Meriwether. History of the Expedition Under the Command of Captains 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. Prepared for the Press by Paul Allen, Esquire. Philadelphia: Published by Bradford and Inskeep, New York. J. Maxwell, Printer. 1814.