@misc{indiciaef76f67bfd02c,
  title = {The Mount Pleasant coal field, Sanpete County, Utah},
  author = {D.C. Duncan},
  year = {1944},
  doi = {10.3133/70047936},
  url = {https://pubs.usgs.gov/publication/70047936},
  note = {Source identifier: 70047936}
}