1. Geologic map of the Edwards Aquifer in northern Medina and northeastern Uvalde Counties, south-central Texas Publication/Creation: Denver, CO : U.S. Geological Survey, [2007] Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
2. National Cooperative Geologic Mapping Program status, progress, implementation and recommendations Author/Creator: Pallister, John S. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1998] Resource Type: Book Access & Availability: Loading
3. Geology of the Mid-Atlantic Urban Corridor (GOMAC) : a project of the National Cooperative Geologic Mapping Program Author/Creator: Horton, J. Wright Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1998] Resource Type: Book Access & Availability: Loading
4. The national geologic map database : developing a distributed archive of standardized geoscience information for the nation Author/Creator: Geological Survey (U.S.), issuing body Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey Resource Type: Map Access & Availability: Loading