@misc{indiciaeba5161a39730,
  title = {Earthquakes in the United States, January - March 1975},
  author = {R. B. Simon and Carl W. Stover and W. J. Person},
  year = {1977},
  doi = {10.3133/cir749a},
  url = {https://pubs.usgs.gov/publication/cir749A},
  note = {Source identifier: cir749A}
}