1. 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
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