@misc{indiciaede7af8798adb,
  title = {Stable isotopes and mineral resource investigations in the United States},
  author = {Robert R. Seal,},
  year = {1999},
  doi = {10.3133/70220369},
  url = {https://pubs.usgs.gov/publication/70220369},
  note = {Source identifier: 70220369}
}