@misc{indiciae9bdf8da78e68,
  title = {Block coals from Indiana: Inferences on changing depositional environment},
  author = {Maria Mastalerz and P.L. Padgett and C.F. Eble},
  year = {2000},
  doi = {10.1016/s0166-5162(99)00060-9},
  url = {https://pubs.usgs.gov/publication/70022328},
  note = {Source identifier: 70022328}
}