@misc{indiciae41d8368064a1,
  title = {Mercury in U.S. coal—Priorities for new U.S. Geological Survey studies},
  author = {Allan Kolker},
  year = {2016},
  doi = {10.3133/ofr20161033},
  url = {https://pubs.usgs.gov/publication/ofr20161033},
  note = {Source identifier: ofr20161033}
}