@misc{indiciae7e9450c2a67c,
  title = {Preliminary determination of epicenters monthly listing January - March 1997},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1998},
  doi = {10.3133/ofr97600a},
  url = {https://pubs.usgs.gov/publication/ofr97600A},
  note = {Source identifier: ofr97600A}
}