@misc{indiciae8fb308da9e5f,
  title = {Preliminary determination of epicenters monthly listing, October-December 1989},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1989},
  doi = {10.3133/ofr89600d},
  url = {https://pubs.usgs.gov/publication/ofr89600D},
  note = {Source identifier: ofr89600D}
}