Hereford is a populated place in Cochise County along the San Pedro Riparian National Conservation Area in the southern part of the U.S. state of Arizona. It is southeast of Sierra Vista and is a part of the Sierra Vista-Douglas micropolitan area. The elevation is 4,193 feet at the location of the original townsite at the far eastern end of the unincorporated area; the residential area runs for another 8 miles west from this location, blending into the unincorporated area of Nicksville at an elevation of approximately 4800'. Hereford Station Post Office is located at the far western end of Nicksville, at the foot of the Huachuca Mountains. History Founded in 1878, the community was named after Frank Hereford, who was a friend of the town's founder, and a distinguished local attorney. It was where cowboys Frank McLaury and Tom McLaury first met and became associated with Ike Clanton, in 1878. The two brothers would later be killed during the Gunfight at the O.K. Corral, in Tombstone, Arizona, with Ike Clanton being at the center of that dispute with the Earp faction. Johnny Ringo and Curly Bill lived nearby and grew up with the Clanton's. John Slaughter's ranch was just under two miles south of Hereford, and was a favorite for cattle stealing raids by the Clanton Ranch. The El Paso and Southwestern Railroad, a mining road originally built by Phelps Dodge Mining Corporation, established a siding at the town around 1892, which featured a water tank and stock loading platforms. In the 1890s the Greene Cattle Company, after Colonel William C. Greene its owner, who bought the San Raphael del Valle, Spanish land grant. It comprised a general store/post office, railroad station, school, saloon, adobe houses, and his mansion. It was the largest cattle ranch in the Valley. His Stepson Frank Moson designed and created the Hereford Corrals for shipping to fulfill their shipping needs for the ranch. Frank Moson was also the founder/owner of the Y-Lightning Ranch of old west notoriety. This line continued on to the wye connection at Fairbank and the New Mexico and Arizona Railroad, and then on to Benson. Hereford was a common stop for travelers heading from Tombstone, 15 miles northwest, down the San Pedro River en route to Naco, Arizona and thence Mexico, approximately 14 miles away. The original townsite was populated until the 1950s, and the last structures disappeared in the