Bumgarner, J. R. (2012). A conceptual model of the hydrogeologic framework, geochemistry, and groundwater-flow system of the Edwards-Trinity and related aquifers in the Pecos County Region, Texas ((Revised July 10, 2012).). U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationBumgarner, Jonathan R. A Conceptual Model of the Hydrogeologic Framework, Geochemistry, and Groundwater-flow System of the Edwards-Trinity and Related Aquifers in the Pecos County Region, Texas. (Revised July 10, 2012). Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2012.
MLA (9th ed.) CitationBumgarner, Jonathan R. A Conceptual Model of the Hydrogeologic Framework, Geochemistry, and Groundwater-flow System of the Edwards-Trinity and Related Aquifers in the Pecos County Region, Texas. (Revised July 10, 2012). U.S. Department of the Interior, U.S. Geological Survey, 2012.