@misc{indiciae3042b67e55ab,
  title = {Earthquakes in the United States, April-June 1976},
  author = {R. B. Simon and C. W. Stover and W. J. Person and J. H. Minsch},
  year = {1977},
  doi = {10.3133/cir766b},
  url = {https://pubs.usgs.gov/publication/cir766B},
  note = {Source identifier: cir766B}
}