@misc{indiciae440a7e830bcf,
  title = {Geochemical exploration for copper-nickel deposits in the cool-humid climate of northeastern Minnesota},
  author = {W. R. Miller and W. H. Ficklin and J. B. McHugh},
  year = {1992},
  doi = {10.1016/0375-6742(92)90030-c},
  url = {https://pubs.usgs.gov/publication/70017227},
  note = {Source identifier: 70017227}
}