@misc{indiciaed6e2c720d864,
  title = {One-level prediction-A numerical method for estimating undiscovered metal endowment},
  author = {R.B. McCammon and J.O. Kork},
  year = {1992},
  doi = {10.1007/bf01782267},
  url = {https://pubs.usgs.gov/publication/70017253},
  note = {Source identifier: 70017253}
}