@misc{indiciaecff604a5e9ee,
  title = {Geology of the Lost Creek coal field, Morgan County, Utah},
  author = {F. R. Clark},
  year = {1919},
  doi = {10.3133/b691l},
  url = {https://pubs.usgs.gov/publication/b691L},
  note = {Source identifier: b691L}
}