@misc{indiciaee6245ce7f898, title = {Potentiometric surface of the principal alluvial aquifers in the Río Espíritu Santo to Río Demajagua area, Puerto Rico, March 23–24, 1994}, author = {Francisco Perez-Blair and Ramon A. Carrasquillo}, year = {1996}, doi = {10.3133/wri954152}, url = {https://pubs.usgs.gov/publication/wri954152}, note = {Source identifier: wri954152} }