During this lesson, students will learn about the natural history of beavers as well as why their pelts were so valuable to mountain men. Students contemplate just what it would take to be a mountain man, the skills he needed, and all the accoutrements he required for survival. The presenter will introduce hands-on collection pieces relating directly to the life of the mountain man. Student participation is encouraged. This lesson will uncover this colorful character in western American History. This virtual field trip is interdisciplinary, meeting Common Core Standards, as well as national standards in social studies, history, and art.