@misc{indiciaea24ca6e65958,
  title = {Geologic literature on North America, 1785-1918; Part II, Index},
  author = {John M. Nickles},
  year = {1924},
  doi = {10.3133/b747},
  url = {https://pubs.usgs.gov/publication/b747},
  note = {Source identifier: b747}
}