NO. 539 POSEY STATION OF BUTTERFIELD OVERLAND MAIL LINES - Two and one-half miles east of this point stood the Posey Station on the Butterfield Overland Stage route that ran from St. Louis, Missouri through present-day Kern County to San Francisco during 1858-61, until the outbreak of the Civil War.
NE corner of Bakersfield-Glennville Rd (Ca Rd 365AY, P.M. 8.3) and Round Mountain Rd, 11 mi NE of Bakersfield
At the location of the marker, "Bakersfield-Glenville Road" is also called "Granite Road". The street sign labels the intersection as "Granite and Round Mountain".