@misc{indiciae38da13137e59,
  title = {The action of heat and of superheated steam on the tuff of the Oak Spring formation},
  author = {G.W. Morey},
  year = {1959},
  doi = {10.3133/ofr5986},
  url = {https://pubs.usgs.gov/publication/ofr5986},
  note = {Source identifier: ofr5986}
}