From the plaque:
Just south of this point stood the Butterfield Overland Stage site known as Kern River Slough. Operating through present Kern County during 1858 - 1861. This famous line ran from St. Louis, Missouri to San Francisco until the outbreak of the Civil War.
Dedicated June 30, 1957
Marker placed by
Kern County Historical Society
El Tejon Parlor No. 239 N.D.G.W.
Kern County Museum
State Registered Historical Landmark No. 588
Re-dedicated Oct. 6, 1996