@misc{indiciaee4acae0a9ef7,
  title = {Petroleum possibilities of the Umiat area},
  author = {Samuel A. Keller},
  year = {1950},
  doi = {10.3133/70210461},
  url = {https://pubs.usgs.gov/publication/70210461},
  note = {Source identifier: 70210461}
}