@misc{indiciae407ec8a57bed,
  title = {Earthquakes in the United States, April-June 1980},
  author = {Carl W. Stover and J. H. Minsch and P. K. Smith and W. J. Person},
  year = {1981},
  doi = {10.3133/cir853b},
  url = {https://pubs.usgs.gov/publication/cir853B},
  note = {Source identifier: cir853B}
}