@misc{indiciae1a8191ed3f29,
  title = {Potentiometric surface of the upper and lower aquifers of the North Coast Limestone aquifer system and hydrologic conditions in the Arecibo-Manatí area, Puerto Rico, November 27-December 1, 2006},
  author = {Jose M. Rodriguez and Fernando Gómez-Gómez},
  year = {2008},
  doi = {10.3133/sim3030},
  url = {https://pubs.usgs.gov/publication/sim3030},
  note = {Source identifier: sim3030}
}