Many environmental factors exist along the Lewis and Clark National Historic Trail. Everything from non-native species to untimely releases of water from dams, to the loss of habitats, can have significant impacts to this historic corridor.
Did You Know?
Seaman, Lewis’s Newfoundland dog, joined the Expedition in Philadelphia when Lewis purchased him for $20. On the journey, Seaman served the Corps as hunter, sentry, and companion. Upon reaching the Pacific, Seaman became the first dog to travel the breadth of the North American continent.