TY - RPRT TI - Potentiometric surface and hydrologic conditions of the South Coast aquifer, Santa Isabel area, Puerto Rico, March–April, 2014 AU - Felix A. Ramos AU - Alex A. Santiago PY - 2020 DO - 10.3133/sim3455 UR - https://pubs.usgs.gov/publication/sim3455 ID - sim3455 ER -