History of the Expedition Under the Command of Captains Lewis and Clark, Vol. 1.: 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.

''History of the Expedition under the Command of Captains Lewis and Clark'' is a historical account published in the early 19th century. The narrative recounts the challenging journey led by Meriwether Lewis and William Clark as they explore the newly acquired territories of the United States, seeking a route to the Pacific Ocean through the Missouri River. The work details the encounters with various Indigenous tribes, landscapes, wildlife, and the hardships faced by the expedition team. The opening portion of this seminal historical text lays the groundwork for the expedition, detailing the preparations made by Lewis and Clark before setting out in 1804. It describes the diverse members of their party, the supplies they carried, and the initial setting of their launch point at the mouth of Wood River. The beginning also highlights early interactions with local tribes, such as the Osage, and the challenges faced while navigating the Missouri River, including encounters with difficult rapids and varying weather conditions. This introductory section not only captures the spirit of adventure but also sets a tone of exploration and discovery of the American frontier.