USA HISTORY

Detailed explanation-1: -In December 1803, William Clark established “Camp Wood” at the confluence of the Mississippi and Missouri rivers, north of St. Louis.

Detailed explanation-2: -It was Steamboat-River to Cheyennes, while early white explorers named it Yellow-River. The discovery of the Missouri River by white men is thought to have been in June 1673, when French explorers Louis Joliet and Father Jacques Marquette passed its violent mouth on their voyage of discovery down the Mississippi.

Detailed explanation-3: -Missouri River The Missouri River is the longest in the United States, and Lewis and Clark traversed all 2, 341 miles of it. The Corps of Discovery followed the river northwest from St. Louis all the way to where it begins at its headwaters near Three Forks, Montana in the Rocky Mountains.

Detailed explanation-4: -Lewis and Clark’s Journey Begins The Corps of Discovery embarks from Camp Dubois outside of St. Louis, Missouri, in a 55-foot keelboat to begin the westward journey up the Missouri River.

Detailed explanation-5: -"The object of your mission is to explore the Missouri river, and such principal stream of it, as, by its course and communication with the waters of the Pacific Ocean, may offer the most direct and practicable water communication across this continent, for the purposes of commerce."