@misc{indiciae61f639fc917c,
  title = {Catalogue and index of contributions to North American geology, 1732-1891},
  author = {Nelson Horatio Darton},
  year = {1896},
  doi = {10.3133/b127},
  url = {https://pubs.usgs.gov/publication/b127},
  note = {Source identifier: b127}
}