1. Source, use, and disposition of freshwater in Puerto Rico, 2005 Author/Creator: Molina-Rivera, Wanda L. Publication/Creation: [Reston, Va.] : [U.S. Dept. of the Interior, U.S. Geological Survey], [2009] Resource Type: Book Access & Availability: Loading
2. Water-quality reconnaissance of Laguna Tortuguero, Vega Baja, Puerto Rico, March 1999-May 2000 Author/Creator: Soler-López, Luis R. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006 Resource Type: Book 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. Hydrologic, water-quality, biological and sedimentation characteristics of Laguna Grande, Fajardo, Puerto Rico, March 2007-February 2009 Author/Creator: Soler-López, Luis R. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2010 Resource Type: Book Access & Availability: Loading
5. 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
6. Low-flow characteristics at selected sites on streams in northern and central Puerto Rico Author/Creator: Santiago-Rivera, Luis, author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1998 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. Water balance and quantification of total phosphorus and total nitrogen loads entering and leaving the Lago de Cidra, central Puerto Rico Author/Creator: Ramos-Ginés, Orlando, author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
9. Potentiometric surface and hydrologic conditions of the upper aquifer in the Manati-Vega Baja area, north central Puerto Rico, March 1995 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Guaynabo, Puerto Rico : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Map Access & Availability: Loading
10. Low-flow characteristics at selected sites on streams in southern and western Puerto Rico Author/Creator: Santiago-Rivera, Luis, author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading