National Geographic
National Geographic: Mapping u.s. Watersheds
Students will identify and explore major rivers and watersheds in the United States.
Discovering Lewis & Clark
Discovering Lewis & Clark: The Missouri: Habits & Eccentricities
Take a closer look at the "Big Muddy" and all its peculiarities. Learn about the personality of the Missouri River from the days of Lewis and Clark up to today.
Curated OER
National Park Service: Tour of Park Geology: River Systems
Learn about the rivers that are found in the National Parks on this site.
Encyclopedia Britannica
Encyclopedia Britannica: Missouri River
This entry provides a description of the physical features, the location, and the history of the Missouri River.
Other
New World Encyclopedia: Missouri River
The history of the Missouri River is discussed in detail. Its location, physical characteristics, and major tributaries are covered.
Ducksters
Ducksters: United States Geography: Rivers
Kids learn about the major rivers of the United States including the Mississippi, Missouri, Rio Grande, Colorado, and the Hudson. Geography of the US.