1. Simulation of ground-water flow in the Rio Yauco alluvial valley, Yauco, Puerto Rico Author/Creator: Quiñones-Aponte, Vicente, author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
2. Simulation of ground-water flow in the water-table aquifer near Barceloneta, Puerto Rico Author/Creator: Torres-González, Arturo, author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
3. Surface water data network analysis for Puerto Rico Author/Creator: McKinley, P. W., author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading