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

The narrative details the groundbreaking expedition led by Captains Lewis and Clark from 1804 to 1806, commissioned by the U.S. government. It chronicles their journey to the Missouri River's sources, traversing the Rocky Mountains, and ultimately reaching the Pacific Ocean via the Columbia River. The account highlights the challenges faced, interactions with Native American tribes, and the extensive geographic and scientific discoveries made during this pivotal exploration of the American West.