@misc{indiciae134a63a5806b,
  title = {Preliminary geologic map of the Verdure 2 NW quadrangle, San Juan County, Utah},
  author = {Irving J. Witkind},
  year = {1957},
  doi = {10.3133/tem923},
  url = {https://pubs.usgs.gov/publication/tem923},
  note = {Source identifier: tem923}
}