@misc{indiciaebc786abd7a3d,
  title = {Bibliography and index of North American geology, paleontology, petrology, and mineralogy for the year 1903},
  author = {Fred Boughton Weeks},
  year = {1904},
  doi = {10.3133/b240},
  url = {https://pubs.usgs.gov/publication/b240},
  note = {Source identifier: b240}
}