@misc{indiciaedab3bb1fc571,
  title = {Effect of channelization of Rio Puerto Nuevo on ground-water levels in the San Juan metropolitan area, Puerto Rico},
  author = {Ingrid Padilla},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/70016627},
  note = {Source identifier: 70016627}
}