This Missouri River lesson covers the geography of this "muddy river", its history, and why it's so important to the states it flows past (Montana, North and South Dakota, Nebraska, Iowa, Kansas, and Missouri). There is a presentation, reading passage, quiz, activity sheets, and links to online videos. The downloadable .ZIP file includes: 24-slide Missouri River Powerpoint presentation with the lesson’s reading content, facts, history, importance, and images of what it looks like. A 14-page PDF