@misc{indiciaef75b8a714d56,
  title = {Seismic response mapping of Saint Louis County, Missouri},
  author = {Richard W. Stephenson and John D. Rockaway},
  year = {1980},
  doi = {10.3133/ofr81382},
  url = {https://pubs.usgs.gov/publication/ofr81382},
  note = {Source identifier: ofr81382}
}