1. 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 Resource Type: Map Access & Availability: Loading
2. Historical ground-water development in the Salinas alluvial fan area, Salinas, Puerto Rico, 1900-2005 Author/Creator: Rodríguez, José M. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Resource Type: Map Access & Availability: Loading
3. Potentiometric surface of the alluvial aquifer and hydrologic conditions in the Juana Díaz area, Puerto Rico, June 29 - July 1, 2005 Author/Creator: Rodríguez, José M. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2006] Resource Type: Map Access & Availability: Loading
4. Sedimentation survey of Lago Loíza, Puerto Rico, January 2004 Author/Creator: Soler-López, Luis R. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005 Resource Type: Book Access & Availability: Loading
5. Ground-water resource assessment in the Río Grande de Manatí alluvial plain, Río Arriba Saliente area, Puerto Rico Author/Creator: Torres-González, Sigfredo Publication/Creation: San Juan, P.R. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading
6. Assessment of nitrate contamination of the upper aquifer in the Manatí-Vega Baja area, Puerto Rico Author/Creator: Conde-Costas, Carlos, author Publication/Creation: San Juan, Puerto Rico : U.S. Department of the Interior, U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading
7. Synoptic survey of water quality and bottom sediments, San Juan Bay estuary system, Puerto Rico, December 1994-July 1995 Author/Creator: Webb, Richard M. T., author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
8. Geohydrology and simulation of ground-water flow in the Salinas to Patillas area, Puerto Rico Author/Creator: Quiñones-Aponte, Vicente, author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
9. Sedimentation survey of Lago Dos Bocas, Puerto Rico, August 1994 Author/Creator: Webb, Richard M. T., author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
10. 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 Resource Type: Map Access & Availability: Loading