@misc{indiciae042192ca0991,
  title = {Volcanologic investigations in the Commonwealth of the Northern Mariana Islands, May 1992},
  author = {R. B. Moore and R. Y. Koyanagi and M. K. Sako and F. A. Trusdell and R. L. Ellorda and George Kojima},
  year = {1993},
  doi = {10.3133/ofr93541},
  url = {https://pubs.usgs.gov/publication/ofr93541},
  note = {Source identifier: ofr93541}
}