@misc{indiciaed786fe62e2f5, title = {Potentiometric surface and hydrologic conditions of the upper aquifer in the Manatí-Vega Baja area, north central Puerto Rico, March 1995}, author = {Carlos Conde-Costas and Gilberto Rodriguez-Rodriguez}, year = {1997}, doi = {10.3133/wri964184}, url = {https://pubs.usgs.gov/publication/wri964184}, note = {Source identifier: wri964184} }