Report 34 By Sergio Garza, U.S. Geological Survey

• Report 34 - Ground-Water Resources of the San Antonio Area, Texas A Progress Report on Studies, 1960-64 November 1966
• figure 1 - Locations of Observation Wells, Drainage Basins, Precipitation Stations, and Stream-Gaging Stations
• figure 8 - Approximate Altitude of Water levels in Wells in the Edwards and Associated Limestones, January 1961
• figure 10 - Quality of Water in the Zone of Transition in the Edwards and Associated Limestones