@misc{indiciaedbd973797c9a,
  title = {Shock Waves One Hundred Years after the 1906 Earthquake},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2006},
  doi = {10.3133/gip40},
  url = {https://pubs.usgs.gov/publication/gip40},
  note = {Source identifier: gip40}
}