Circle of Conservation Advisors
This link leads to the Home Page of the Circle of Conservation Advisors (COCA). COCA is a collection of leading local, state, and national conservation groups that work to spread awareness about the state of the trail Lewis and Clark traveled.

Protecting the Trail
Find out what you can do to help protect the Lewis & Clark trail and the surrounding areas.

Rivers
Information about the rivers that Lewis & Clark discovered on the trail.

Species Encountered
Plants and animals that Lewis and Clark discovered on the trail.