Historical Marker
Palmer Building
Historical marker location:
720-722 Washington Street, Chillicothe, Missouri
( Marker is at the intersection of Washington Street (U.S. 65) and Calhoun Street, on the left when traveling north on Washington Street.)
Courthouse Square Historic District.
The Pony Express, a mail delivery service that operated from 1860 to 1861, had a route that went through Missouri. The service used a network of riders and relay stations to transport mail from St. Joseph, Missouri, to Sacramento, California, in just 10 days.