@misc{indiciae46fc07324d6a,
  title = {Geochemical survey of the Sauk sequence of the Western United States},
  author = {A.T. Miesch and J. J. Connor},
  year = {1990},
  doi = {10.3133/ofr90617},
  url = {https://pubs.usgs.gov/publication/ofr90617},
  note = {Source identifier: ofr90617}
}