@misc{indiciaeaa2c9edd29c3,
  title = {Opportunities for a platinum-group-element resource appraisal of the United States},
  author = {Michael L. Zientek and G.H. Alcott and N.J. Page and W. D. Menzie},
  year = {1988},
  doi = {10.3133/ofr88254},
  url = {https://pubs.usgs.gov/publication/ofr88254},
  note = {Source identifier: ofr88254}
}