With a huge cavern below, Brushy Creek homeowners on edge about foundation

WILLIAMSON COUNTY, Texas (KXAN) — Most of the massive hole at Cambria Drive and Ephraim Road that was wide open on Thursday has been boarded up. But through a small opening, three hydrogeologists descended upon an amazing view of the cave.
The cave, now dubbed Cambria Cavern, runs underneath three homes. Crews were able to map the cavern with a compass and laser range finder. They determined the cavern runs 170 feet east along Ephraim Road and 40-50 feet along Cambria Drive, starting in th