1. Hydrogeologic framework of the Edwards-Trinity aquifer system, west-central Texas Author/Creator: Barker, René A. Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Branch of Information Services, 1996 Resource Type: Book Access & Availability: Loading
2. Hydrogeologic framework of the Edwards-Trinity aquifer system, west-central Texas Author/Creator: Barker, René A., author Publication/Creation: Washington : United States Government Printing Office, 1996 Resource Type: Book Access & Availability: Loading
3. Historical saturated thickness of the Edwards-Trinity aquifer system and selected contiguous hydraulically connected units, west-central Texas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Austin, Texas : U.S. Department of the Interior, U.S. Geological Survey, 1993 Resource Type: Map Access & Availability: Loading