@misc{indiciae17933fdc90ba,
  title = {Marine geologic map of the southwestern insular shelf of Puerto Rico, Mayaguez to Cabo Rojo},
  author = {J. S. Schlee and R. W. Rodriguez and R. M. Webb and M. A. Carlo},
  year = {1999},
  doi = {10.3133/i2615},
  url = {https://pubs.usgs.gov/publication/i2615},
  note = {Source identifier: i2615}
}