Water resources of the Guayanilla-Yauco area, Puerto RicoJames W. Crooks · First published 1968Open the Tome
Public water supplies in Puerto RicoTed Arnow, James W. Crooks, Geological Survey (U.S.), Puerto Rico. Legislative Assembly · First published 1960Open the Tome
Water problems of Puerto Rico and a program of water-resources investigationsDean Butler Bogart, Ted Arnow, James W. Crooks, Geological Survey (U.S.), Puerto Rico. Legislative Assembly · First published 1960Open the Tome
