Curated OER
National Park Service: Pony Express: History and Culture
A good article from the National Park Service which recounts the history of the brief existence of the Pony Express. Read about the route, what caused the demise of the Pony Express, and what part of the trail can still be seen.
Other
Pony Express Home Station: Pony Express Route
Use this site to view maps of routes on the Pony Express and also read a brief history.