@misc{indiciae42d6cf18548e,
  title = {Selected chemical properties of rainfall in the Rio Piedras Basin, Puerto Rico},
  author = {F. Quinones-Marquez},
  year = {1978},
  doi = {10.3133/ofr78159},
  url = {https://pubs.usgs.gov/publication/ofr78159},
  note = {Source identifier: ofr78159}
}