@misc{indiciae3cc5a760d957,
  title = {Characteristics of mineral deposit occurrences: guide book for use as an aid in mineral resource studies},
  author = {Ralph Leroy Erickson},
  year = {1981},
  doi = {10.3133/25145},
  url = {https://pubs.usgs.gov/publication/25145},
  note = {Source identifier: 25145}
}