@misc{indiciae01cef400be32,
  title = {Electrical analog simulation of the aquifers along the south coast of Puerto Rico},
  author = {Gordon D. Bennett},
  year = {1976},
  doi = {10.3133/ofr741010},
  url = {https://pubs.usgs.gov/publication/ofr741010},
  note = {Source identifier: ofr741010}
}