@misc{indiciaef844d5bc0451,
  title = {Forty-third annual report of the Director of the United States Geological Survey},
  author = {George Otis Smith},
  year = {1922},
  doi = {10.3133/ar43},
  url = {https://pubs.usgs.gov/publication/ar43},
  note = {Source identifier: ar43}
}