TY - RPRT TI - Potentiometric surface of the alluvial aquifer and hydrologic conditions in the central Aguirre Quadrangle, Puerto Rico, March 1986 AU - Sigfredo Torres-Gonzalez AU - Fernando Gómez-Gómez PY - 1987 DO - 10.3133/wri874160 UR - https://pubs.usgs.gov/publication/wri874160 ID - wri874160 ER -