@misc{indiciae04905b135668,
  title = {Floods in the Ponce area, Puerto Rico},
  author = {Irby J. Hickenlooper and M. A. Lopez},
  year = {1967},
  doi = {10.3133/ha261},
  url = {https://pubs.usgs.gov/publication/ha261},
  note = {Source identifier: ha261}
}