@misc{indiciaeea1d83be4c1d,
  title = {Mineral resources of the United States, 1904},
  author = {David T. Day},
  year = {1905},
  doi = {10.3133/70175774},
  url = {https://pubs.usgs.gov/publication/70175774},
  note = {Source identifier: 70175774}
}