@misc{indiciae3c0f40fb2a2a,
  title = {Bibliography of North American geology for 19ll, with subject index},
  author = {John M. Nickles},
  year = {1912},
  doi = {10.3133/b524},
  url = {https://pubs.usgs.gov/publication/b524},
  note = {Source identifier: b524}
}