@misc{indiciae490c916ea29b,
  title = {Earthquakes in the United States, July-September 1974},
  author = {Carl W. Stover and Ruth B. Simon and W. J. Person},
  year = {1976},
  doi = {10.3133/cir723c},
  url = {https://pubs.usgs.gov/publication/cir723C},
  note = {Source identifier: cir723C}
}