@misc{indiciae2b0723dd2e69,
  title = {Maceral distributions in Illinois coals and their paleoenvironmental implications},
  author = {R.D. Harvey and J.W. Dillon},
  year = {1985},
  doi = {10.1016/0166-5162(85)90012-6},
  url = {https://pubs.usgs.gov/publication/70012988},
  note = {Source identifier: 70012988}
}