@misc{indiciaed2f634fc607f,
  title = {Geologic maps of St. John, U.S. Virgin Islands},
  author = {D.W. Rankin},
  year = {1997},
  doi = {10.3133/ofr97472},
  url = {https://pubs.usgs.gov/publication/ofr97472},
  note = {Source identifier: ofr97472}
}