bluehole_EdwardsAquiferNet

Water from The Blue Hole (above) issues from a large cavern and is now surrounded by an octagonal concrete and stone wall. Photo/caption courtesy of www.edwardsaquifer.net.

The San Antonio Springs of the Edwards Aquifer are located mostly in the Incarnate Word community near Broadway and Hildebrand Avenue. Photo/caption courtesy of Gregg Eckhardt / www.edwardsaquifer.net.

Water from The Blue Hole (above) issues from a large cavern and is now surrounded by an octagonal concrete and stone wall. Photo/caption courtesy of Gregg Eckhardt/www.edwardsaquifer.net.