@misc{indiciaed2d46c891719,
  title = {Chemical analysis of coal from the Blackhawk Formation, Wasatch Plateau coal field, Sevier County, Utah},
  author = {J. D. Sanchez},
  year = {1983},
  doi = {10.3133/ofr83363},
  url = {https://pubs.usgs.gov/publication/ofr83363},
  note = {Source identifier: ofr83363}
}