@misc{indiciae607e031c3430,
  title = {Forces shaping future U.S. coal production and use},
  author = {Emil Attanasi and Brenda S. Pierce},
  year = {2001},
  doi = {10.3133/fs15800},
  url = {https://pubs.usgs.gov/publication/fs15800},
  note = {Source identifier: fs15800}
}