@misc{indiciae6b8e53cdd6e2,
  title = {Earthquake data report, September 1991},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1991},
  doi = {10.3133/ofr91609b},
  url = {https://pubs.usgs.gov/publication/ofr91609B},
  note = {Source identifier: ofr91609B}
}