@misc{indiciaebe285b8697af,
  title = {A Reconnaissance of the water resources of the central Guanajibo Valley, Puerto Rico},
  author = {Eloy Colon-Dieppa and Ferdinand Quinones-Marquez},
  year = {1985},
  doi = {10.3133/wri824050},
  url = {https://pubs.usgs.gov/publication/wri824050},
  note = {Source identifier: wri824050}
}