On a four-wheeler at the edge of the Hill Country, geologist Mark Hamilton rolls and bumps across a 151-acre property at the Edwards Aquifer Conservancy Field Research Park.

He pulls up to the end of a steep hill and points out a sunken, marshy spot along the bottom. With several recently planted trees and bushes of native plants nearby, the spot is among many that Hamilton and his team have resculpted by hand.

 

Read more from Elena Bruess with the San Antonio Express-News here.