1. Hydraulic analyses of water-surface profiles in the vicinity of the Coamo Dam and Highway 52 Bridge, southern Puerto Rico : flood analyses as related to the flood of October 7, 1985 Author/Creator: Johnson, Karl G., author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
2. Hydrology and effects of development on the water-table aquifer in the Vega Alta quadrangle, Puerto Rico Author/Creator: Gómez-Gómez, Fernando, author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
3. Hydrology and water quality of the principal springs in Puerto Rico Author/Creator: Guzmán-Ríos, Senén, author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading