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?
Jefferson expected the Expedition to learn about the people, plants and animals of the newly acquired Louisiana Purchase. None of the men of the Expedition was a trained scientist, but fulfilling Jefferson’s instructions required skills in cartography, ethnography, botany, zoology, and meteorology.