@misc{indiciaed2c20b70f83a,
  title = {Platinum in soils and rocks from the Lower Coon Mountain Pluton, Del Norte County, California},
  author = {Norman J. Page and Floyd Gray},
  year = {1985},
  doi = {10.3133/ofr85149},
  url = {https://pubs.usgs.gov/publication/ofr85149},
  note = {Source identifier: ofr85149}
}