@misc{indiciaea26482837686,
  title = {Preliminary lithologic and structural map of Sunnyside No. 1 mine area, Carbon County, Utah},
  author = {Frank W. Osterwald},
  year = {1962},
  doi = {10.3133/coal50},
  url = {https://pubs.usgs.gov/publication/coal50},
  note = {Source identifier: coal50}
}