@misc{indiciae8cf69567905c,
  title = {Exploring for ancient channels with the refraction seismograph},
  author = {Louis Charles Pakiser and R.A. Black},
  year = {1956},
  doi = {10.3133/tei481},
  url = {https://pubs.usgs.gov/publication/tei481},
  note = {Source identifier: tei481}
}