Karst Features of the Trinity aquifer of the Edwards plateau

Choose a feature on the left to read about it and see photos:

Caves

Caverns of Sonora, Sonora, Texas. Inside the Edwards-Trinity Plateau aquifer, Sonora Caverns, Sonora, Texas. (Photo by Eve Kuniansky)

U.S. Department of the Interior | U.S. Geological Survey
URL: http://water.usgs.gov/ogw/karst/aquifers/trinity/features
Page Contact Information: USGS Office of Ground Water
Page Last Modified: Nov 27 2009