@misc{indiciae9849c94fe449,
  title = {Potentiometric surface of the alluvial aquifer and hydrologic conditions in the central Aguirre Quadrangle, Puerto Rico, March 1986},
  author = {Sigfredo Torres-Gonzalez and Fernando Gómez-Gómez},
  year = {1987},
  doi = {10.3133/wri874160},
  url = {https://pubs.usgs.gov/publication/wri874160},
  note = {Source identifier: wri874160}
}