@misc{indiciae9db14c2bfbbc,
  title = {Intracaldera tuffs and central-vent intrusion of the Mahogany Mountain Caldera, eastern Oregon},
  author = {Dean B. Vander Meulen},
  year = {1989},
  doi = {10.3133/ofr8977},
  url = {https://pubs.usgs.gov/publication/ofr8977},
  note = {Source identifier: ofr8977}
}