@misc{indiciae43dfdb350c63,
  title = {Thirty-fifth annual report of the Director of the United States Geological Survey},
  author = {George Otis Smith},
  year = {1914},
  doi = {10.3133/ar35},
  url = {https://pubs.usgs.gov/publication/ar35},
  note = {Source identifier: ar35}
}