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?
Twenty years before the Lewis and Clark Expedition, Thomas Jefferson hoped to mount the “Clark Expedition.” In 1783, Jefferson asked William Clark’s brother and Revolutionary War hero, George Rogers Clark, to lead a cross country expedition to explore the west. Clark declined the offer.