@misc{indiciaec61c75a706d6,
  title = {An earth-system science toolkit for environmentally-friendly mineral-resource development},
  author = {Geoffrey S. Plumlee and M.J. Logsdon},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70189451},
  note = {Source identifier: 70189451}
}