@misc{indiciae5b0912370426,
  title = {Mineral resources of the United States, 1883 and 1884},
  author = {Albert Williams},
  year = {1885},
  doi = {10.3133/70175759},
  url = {https://pubs.usgs.gov/publication/70175759},
  note = {Source identifier: 70175759}
}