@misc{indiciae23a89d40d6e8,
  title = {Potentiometric surface of the alluvial aquifer and hydrologic conditions near Gurabo and Juncos, Puerto Rico, March 1988},
  author = {Juan C. Puig and Jose M. Rodriguez},
  year = {1990},
  doi = {10.3133/wri904059},
  url = {https://pubs.usgs.gov/publication/wri904059},
  note = {Source identifier: wri904059}
}