@misc{indiciae026c4636b35d,
  title = {Diatremes of the Hopi Buttes, Arizona; chemical and statistical analyses},
  author = {K. J. Wenrich and J. F. Mascarenas},
  year = {1982},
  doi = {10.3133/ofr82740},
  url = {https://pubs.usgs.gov/publication/ofr82740},
  note = {Source identifier: ofr82740}
}