@misc{indiciaee0494f43be29,
  title = {Developing Vs30 site-condition maps by combining observations with geologic and topographic constraints},
  author = {E.M. Thompson and D.J. Wald},
  year = {2012},
  url = {https://pubs.usgs.gov/publication/70046677},
  note = {Source identifier: 70046677}
}