@misc{indiciae138211e63340,
  title = {An example expert system for the interpretation of depositional environments},
  author = {K. B. Krystinik},
  year = {1985},
  doi = {10.3133/ofr8530},
  url = {https://pubs.usgs.gov/publication/ofr8530},
  note = {Source identifier: ofr8530}
}