Estimated water use in the Puerto Rico, 1980 : U.S. Geological Survey Water-use Information Program / by Fernando Gomez-Gomez, Rafael Dacosta, and Miguel Orona ; prepared by U.S. Geological Survey in cooperation with the Puerto Rico Department of Natural Resources, Puerto Rico Aqueduct and Sewer Authority, Puerto Rico Enivironmental Quality Board
Estimated water use in the Puerto Rico, 1980 : U.S. Geological Survey Water-use Information Program / by Fernando Gomez-Gomez, Rafael Dacosta, and Miguel Orona ; prepared by U.S. Geological Survey in cooperation with the Puerto Rico Department of Natural Resources, Puerto Rico Aqueduct and Sewer Authority, Puerto Rico Enivironmental Quality Board