TY - RPRT TI - Elevation of the water-table surface for the alluvial aquifer and hydrologic conditions in the Santa Isabel-Juana Diaz area, Puerto Rico, March 1986 AU - Angel Roman-Mas AU - Orlando Ramos-Gines PY - 1987 DO - 10.3133/wri874123 UR - https://pubs.usgs.gov/publication/wri874123 ID - wri874123 ER -