Clark Coffeetree

Historical marker location:

1601 Main Street, Unionville, Missouri

( Marker can be reached from Grant Street just east of South 17th Street, on the left when traveling east.)

(<i>Gymnocladus dioicus</i>).

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.