@misc{indiciae829e634fca17,
  title = {Geochemical data including mercury speciation for surface waters at the abandoned Greenwood mine area, Prince William Forest Park, Virginia},
  author = {R.R. Seal and D.P. Haffner and A. L. Meier},
  year = {1998},
  doi = {10.3133/ofr98756},
  url = {https://pubs.usgs.gov/publication/ofr98756},
  note = {Source identifier: ofr98756}
}