San Marcos br/Hays County, Texas br/29 52.667' N 097 57.404' Wbr/br/Text: In Balcones Fault, created by prehistoric earth shift. Said to have been campsite of Indians and Spaniards, especially priests who planted anaqua trees in area. By legend, robber gangs in 1820s cached Camino Real booty here. Discovered 1893 for Anglo-Texas by Mark A. and Elizabeth Burleson Bevers, after water well drill fell 158 feet at their home here. This became first commercially opened cave in state about 1900 when W. S. Davis gave guided tours by candlelight; bought in 1916 for $50 and a gray horse by A. B. Rogers, who spent his lifetime in discovery and development.