@misc{indiciae15bd93c5236c,
  title = {Petroleum possibilities of the Umiat area, 1950},
  author = {A.S. Keller},
  year = {1954},
  doi = {10.3133/ofr54141},
  url = {https://pubs.usgs.gov/publication/ofr54141},
  note = {Source identifier: ofr54141}
}