@misc{indiciae589e44ea8097,
  title = {Chemical analyses of coal from the Anderson coal deposit, Johnson County, Wyoming},
  author = {R.T. Hildebrand},
  year = {1986},
  doi = {10.3133/ofr86575},
  url = {https://pubs.usgs.gov/publication/ofr86575},
  note = {Source identifier: ofr86575}
}