@misc{indiciae1949799754df,
  title = {Ground-water resources of the Caguas-Juncos Valley, Puerto Rico},
  author = {J. C. Puig and J. M. Rodriguez},
  year = {1993},
  doi = {10.3133/wri914079},
  url = {https://pubs.usgs.gov/publication/wri914079},
  note = {Source identifier: wri914079}
}