FOLSOM-OVERLAND PONY EXPRESS ROUTE IN CALIFORNIA - View this location on map - Gold rush and railroad town, Folsom became the western terminus of the Central Overland Pony Express on July 1, 1860. During its first few months, the express mail had been run by pony to and from Sacramento, but beginning July 1, 1860, the Sacramento Valley Railroad carried it between Sacramento and Folsom until Placerville was made the terminus. 819 Sutter St, Folsom, California Historical

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