@misc{indiciae171b34024769,
  title = {Mines, mountains and hot springs: IMWA 2013 post-conference tour to Silverton, CO, August 10-13, 2013},
  author = {Raymond H. Johnson},
  year = {2013},
  url = {https://pubs.usgs.gov/publication/70048302},
  note = {Source identifier: 70048302}
}