1. Hydrogeology of Puerto Rico and the outlying islands of Vieques, Culebra, and Mona Author/Creator: Gómez-Gómez, Fernando, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2014 Format: Book Access & Availability: Loading
2. Groundwater-quality survey of the south coast aquifer of Puerto Rico, April 2 through May 30, 2007 Author/Creator: Rodríguez, José M. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2009 Format: Map Access & Availability: Loading
3. Atlas of ground-water resources in Puerto Rico and the U.S. Virgin Islands Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: San Juan, Puerto Rico : U.S. Department of the Interior, U.S. Geological Survey, 1996 Format: Map Access & Availability: Loading
4. Potentiometric surface of the alluvial aquifer and hydrologic conditions in the Santa Isabel-Juana Diaz area, Puerto Rico, March to April, 1987 Author/Creator: Geological Survey (U.S.). Water Resources Division. Caribbean District, cartographer Publication/Creation: San Juan, P.R. : Department of the Interior, U.S. Geological Survey, Water Resources Division, Caribbean District, 1990 Format: Map Access & Availability: Loading
5. Potentiometric surface of the upper limestone aquifer in the Dorado-Vega Alta area, North-central Puerto Rico, February 1983 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading