@misc{indiciaeafb1c07181fc,
  title = {Magnetotelluric soundings in the southwestern United States},
  author = {Donald Plouff},
  year = {1966},
  doi = {10.1190/1.1439845},
  url = {https://pubs.usgs.gov/publication/70210801},
  note = {Source identifier: 70210801}
}