@misc{indiciaefdd18f5dbe8f,
  title = {Fossils and time; selected books on paleontology, evolution and Earth history for elementary through college students and amateur paleontologists},
  author = {J. H. Hanley},
  year = {1984},
  doi = {10.3133/ofr84767},
  url = {https://pubs.usgs.gov/publication/ofr84767},
  note = {Source identifier: ofr84767}
}