@misc{indiciaeff79d9342d4b,
  title = {Preliminary map of earthquake epicenters in Yellowstone Park and vicinity 1973-1978},
  author = {Andrew M. Pitt},
  year = {1979},
  doi = {10.3133/ofr79717},
  url = {https://pubs.usgs.gov/publication/ofr79717},
  note = {Source identifier: ofr79717}
}