@misc{indiciae28c5eb7eac9f,
  title = {Preliminary report on a trace elements reconnaissance in western states},
  author = {J. O. Harder and Donald G. Wyant},
  year = {1944},
  doi = {10.3133/tei4},
  url = {https://pubs.usgs.gov/publication/tei4},
  note = {Source identifier: tei4}
}