@misc{indiciae2bcded4c9ccd,
  title = {Preliminary report on Bureau of Mines Yellow Creek corehole no. 1, Rio Blanco County, Colorado},
  author = {Roger D. Carroll},
  year = {1967},
  doi = {10.3133/tei869},
  url = {https://pubs.usgs.gov/publication/tei869},
  note = {Source identifier: tei869}
}