@misc{indiciaefb95c4ebabcf,
  title = {Central United States earthquakes, 1974-1991},
  author = {U.S. Geological Survey},
  year = {1993},
  doi = {10.3133/70211239},
  url = {https://pubs.usgs.gov/publication/70211239},
  note = {Source identifier: 70211239}
}