On State Highway 79 at milepost 49.3, on the right when traveling south.
First established October 18, 1861, on Warner's Ranch at "Fork of the Trail to San Diego", to guard the communications between California and Arizona. Moved to this site by Major Edwin A. Rigg, First California Volunteers, about November 23, 1861. . . . — — Map (db m51092) HM
On State Highway 79, 5.7 miles south of State Route 371, on the right when traveling south.
Occupied in 1858 by Warren Hall, Divison Superintendent, Butterfield Overland Mail which operated between San Francisco and the eastern termini, St. Louis and Memphis, from September 15, 1858 to March 2, 1861. The first mail stage from the east . . . — — Map (db m51093) HM
