@misc{indiciaede020b85b1fd,
  title = {Some Middle Ordovician brachiopods and trilobites from the Basin Ranges, western United States},
  author = {Reuben James Ross and Harley Barnes},
  year = {1967},
  doi = {10.3133/pp523d},
  url = {https://pubs.usgs.gov/publication/pp523D},
  note = {Source identifier: pp523D}
}