@misc{indiciaee199defbf4cf,
  title = {Geochemical characterization of slags, other mine waste, and their leachate from the Elizabeth and Ely Mines (Vermont), the Ducktown Mining District (Tennessee), and the Clayton Smelter Site (Idaho)},
  author = {Nadine M. Piatak and Robert R. Seal and Jane M. Hammarstrom and Allen L. Meier and Paul H. Briggs},
  year = {2003},
  doi = {10.3133/ofr03260},
  url = {https://pubs.usgs.gov/publication/ofr03260},
  note = {Source identifier: ofr03260}
}