1. Geologic framework and hydrostratigraphy of the Edwards and Trinity Aquifers within Hays County, Texas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2018 Resource Type: Map Access & Availability: Loading
2. Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within northern Bexar and Comal counties, Texas Author/Creator: Clark, Allan K., cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2017 Resource Type: Map Access & Availability: Loading
3. Geologic framework and hydrostratigraphy of the Edwards and Trinity Aquifers within northern Medina County, Texas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2020 Resource Type: Map Access & Availability: Loading