1. A map of Lewis and Clark's track, across the western portion of North America fom the Mississippi Creator: Clark, William, 1770-1838Lewis, Samuel, 1753 or 4-1822 Published / Created: [ca. 1814] Call Number: Zc10 814Le Collection Title: Missouri : thence across the Rocky mountains and down the river Columbia to the Pacific Ocean ; performed Image Count: 2 Resource Type: Maps, Atlases & Globes Subject (Geographic): Missouri River Found in: Beinecke Rare Book and Manuscript Library > A map of Lewis and Clark's track, across the western portion of North America fom the Mississippi to the Pacific Ocean; by order of the Executive of the United States . In 1804, 5 & 6