@misc{indiciae907a33d49d97,
  title = {Shear-wave seismic reflection studies of unconsolidated sediments in the near surface},
  author = {Karl J. Ellefsen and Seth S. Haines},
  year = {2019},
  doi = {10.1190/1.3340969},
  url = {https://pubs.usgs.gov/publication/70203720},
  note = {Source identifier: 70203720}
}