Many of these features were first published in the park's interpretive newletter, Spanning the Gap. Use the Quick Index for Spanning the Gap or index or the search engine at the top left to find material.
This park's junior ranger program can be used by school groups. For a Junior Park Ranger Activity Booklet, contact the park. Students can also become Webrangers with the National Park Service's on line junior ranger program.
The park's bookstores are operated by Eastern National. Eastern National has also published several works specifically on this park.