U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Center [distributor],
Troester, Joseph W.
Richards, Ronald T.
Puerto Rico Aqueduct and Sewer Authority.
Puerto Rico Industrial Development Company.
Geological Survey (U.S.)
Water-resources investigations report ; 96-4188
Geochemical properties and saline-water intrusion in the Valle de Yabucoa alluvial aquifer, southeastern Puerto Rico
Geochemical properties and saline-water intrusion in the Valle de Yabucoa alluvial aquifer, southeastern Puerto Rico
Geochemical properties and saline-water intrusion in the Valle de Yabucoa alluvial aquifer, southeastern Puerto Rico