@misc{indiciae230245fdcc6f,
  title = {Archive report for most USGS seismic refraction investigations conducted between 1978 and 1991},
  author = {Janice M. Murphy},
  year = {2000},
  doi = {10.3133/ofr00507},
  url = {https://pubs.usgs.gov/publication/ofr00507},
  note = {Source identifier: ofr00507}
}