@misc{indiciae7ec7d38010a9,
  title = {Surface seismic measurements of near-surface P-and S-wave seismic velocities at earthquake recording stations, Seattle, Washington},
  author = {R. A. Williams and W. J. Stephenson and A.D. Frankel and J. K. Odum},
  year = {1999},
  doi = {10.1193/1.1586059},
  url = {https://pubs.usgs.gov/publication/70021500},
  note = {Source identifier: 70021500}
}