TY - RPRT TI - Estimation of the change in freshwater volume in the North Coast Limestone upper aquifer of Puerto Rico in the Rio Grande de Manati-Rio de la Plata area between 1960 and 1990 and Implications on public-supply water availability AU - Fernando Gómez-Gómez PY - 2008 DO - 10.3133/sir20075194 UR - https://pubs.usgs.gov/publication/sir20075194 ID - sir20075194 ER -