@misc{indiciaec4df343ac639,
  title = {A global hybrid VS30 map with a topographic slope–based default and regional map insets},
  author = {David C. Heath and David J. Wald and C. Bruce Worden and Eric M. Thompson and Gregory M. Smoczyk},
  year = {2020},
  doi = {10.1177/8755293020911137},
  url = {https://pubs.usgs.gov/publication/70211979},
  note = {Source identifier: 70211979}
}