@misc{indiciae1a584d1fe132,
  title = {A review of regional mineral resource assessment methods},
  author = {D.A. Singer and D.L. Mosier},
  year = {1981},
  doi = {10.2113/gsecongeo.76.5.1006},
  url = {https://pubs.usgs.gov/publication/70011850},
  note = {Source identifier: 70011850}
}