@misc{indiciae8c727e06c8e1,
  title = {Mercury in US coal: Observations using the COALQUAL and ICR data},
  author = {J.C. Quick and T.C. Brill and D.E. Tabet},
  year = {2003},
  url = {https://pubs.usgs.gov/publication/70026062},
  note = {Source identifier: 70026062}
}