@misc{indiciae0f0cd6892f9b,
  title = {Mineral resources of the United States, 1902},
  author = {David T. Day},
  year = {1904},
  doi = {10.3133/70175772},
  url = {https://pubs.usgs.gov/publication/70175772},
  note = {Source identifier: 70175772}
}