Site information:

SW corner of Pleasant Valley Rd near Church St, El Dorado

38.682477,-120.848727

Plaque information:

State plaque

Plaque text:

El Dorado (Mud Springs)

Trading post, emigrant stop, and mining camp of the 1850s, this became one of the remount stations of the Central Overland Pony Express. On April 13, 1860, pony rider William (Sam) Hamilton changed horses here at the Nevada House while carrying the first westbound mail of the Pony Express from St. Joseph, Missouri to Sacramento, California.

Plaque placed by the California State Park Commission in cooperation with the James W. Marshall Chapter No.49, E. Clampus Vitus, Golden Chain Council of the Mother Lode, and the Central Overland Pony Express Trail Association. April 2, 1960.

Registered 9/11/1959