
Beyond the early 20th century, dragon-tooth stone wall on the San Antonio’s Zoo perimeter, the Confederate-era, limestone sluice channeled tannery wastewater via the existing Spanish acequia into the San Antonio River. Photo by Iris Dimmick.
Beyond the early 20th century, dragon-tooth stone wall on the San Antonio’s Zoo perimeter, the Confederate-era, limestone sluice channeled tannery wastewater via the existing Spanish acequia into the San Antonio River. Photo by Iris Dimmick.