@misc{indiciaebf92e2c52836,
  title = {Marine geologic map of the northeastern insular shelf of Puerto Rico-Luquillo area},
  author = {R. W. Rodriguez and W. C. Schwab and Milton Carlo and E.R. Thieler},
  year = {1998},
  doi = {10.3133/i2612},
  url = {https://pubs.usgs.gov/publication/i2612},
  note = {Source identifier: i2612}
}