@misc{indiciaee716bba57546,
  title = {Porphyry deposits of the Canadian Cordillera},
  author = {W.J. McMillan and J. F. H. Thompson and C.J.R. Hart and S.T. Johnston},
  year = {1996},
  url = {https://pubs.usgs.gov/publication/70019084},
  note = {Source identifier: 70019084}
}