@misc{indiciaef9b5bbb070c4,
  title = {Environmental processes that affect mineral deposits in the eastern United States},
  author = {Robert R. Seal,},
  year = {1999},
  doi = {10.3133/70220368},
  url = {https://pubs.usgs.gov/publication/70220368},
  note = {Source identifier: 70220368}
}