@misc{indiciaea09e78ea3d0f,
  title = {Bibliography of North American geology for 1909, with subject index},
  author = {John M. Nickles},
  year = {1910},
  doi = {10.3133/b444},
  url = {https://pubs.usgs.gov/publication/b444},
  note = {Source identifier: b444}
}