@misc{indiciae682d5fd54dfa,
  title = {Graphite},
  author = {Gilpin R. Robinson and Jane M. Hammarstrom and Donald W. Olson},
  year = {2017},
  doi = {10.3133/pp1802j},
  url = {https://pubs.usgs.gov/publication/pp1802J},
  note = {Source identifier: pp1802J}
}