@misc{indiciae754b7191ea09,
  title = {EMMMA: A web-based system for environmental mercury mapping, modeling, and analysis},
  author = {Hearn and Stephen P. Wente and David I. Donato and John J. Aguinaldo},
  year = {2006},
  doi = {10.3133/ofr20061086},
  url = {https://pubs.usgs.gov/publication/ofr20061086},
  note = {Source identifier: ofr20061086}
}