@misc{indiciae9af702a65c9f,
  title = {Sulfide-mineral zoning in the basal nonesuch shale, Northern Michigan},
  author = {W. S. White and J.C. Wright},
  year = {1966},
  doi = {10.2113/gsecongeo.61.7.1171},
  url = {https://pubs.usgs.gov/publication/70221228},
  note = {Source identifier: 70221228}
}