A day-long field excursion across the Balcones Fault Zone, from San Antonio's mission-era acequias to the caverns beneath the Edwards Plateau.
This field trip is a follow-up and complement to the publication of the Hydrogeologic Atlas of the Hill Country Trinity Aquifer, Blanco, Hays, and Travis Counties, Central Texas (referenced as Wierman et al., 2010 or “HA” throughout this guidebook).