@misc{indiciaed202adaea14e,
  title = {Seismic-Hazard Maps for the Conterminous United States},
  author = {Arthur D. Frankel and C. Mueller and T. Barnhard and D. Perkins and E. V. Leyendecker and N. Dickman and S. Hanson and M. Hopper},
  year = {1997},
  doi = {10.3133/ofr97131},
  url = {https://pubs.usgs.gov/publication/ofr97131},
  note = {Source identifier: ofr97131}
}