Pony Express Map

Pony Express Route April 3, 1860-October 24, 1861- stylized map with various desert scenes and men on horseback overlaid
Pony Express route map, produced in 1961.
Courtesy of the Geography and Map Division, Library of Congress.

This is a map of the Pony Express route from St. Joseph, Missouri to Sacramento, California. Historians can use both primary and secondary sources to help them understand the past. Is this a primary or secondary source? What can you learn about the Pony Express by looking at this map? Remember to look at all of the details before making any final conclusions.