@misc{indiciaefff9de1b1abe,
  title = {Major- and trace-element geochemistry; lead, strontium, and neodymium isotopic compositions; and petrography of late Cenozoic basaltic rocks from west central Colorado},
  author = {D.M. Unruh and J. R. Budahn and D. F. Siems and F.M. Byers},
  year = {2001},
  doi = {10.3133/ofr01477},
  url = {https://pubs.usgs.gov/publication/ofr01477},
  note = {Source identifier: ofr01477}
}