@misc{indiciae23d7333b536c,
  title = {Resource estimation from historical data: Mercury, a test case},
  author = {S.M. Cargill and D. H. Root and E. H. Bailey},
  year = {1980},
  doi = {10.1007/bf01028882},
  url = {https://pubs.usgs.gov/publication/70012594},
  note = {Source identifier: 70012594}
}