@misc{indiciae5fa2186b46dc,
  title = {The Poison Ridge volcanic center and related mineralization, Grand and Jackson Counties, Colorado},
  author = {Douglas M. Kinney and G. A. Izett and R.U. King and R. B. Taylor},
  year = {1968},
  doi = {10.3133/cir594},
  url = {https://pubs.usgs.gov/publication/cir594},
  note = {Source identifier: cir594}
}