@misc{indiciae128af5dc4a6f,
  title = {Mineral resources of the United States, 1907: Part I - Metallic products},
  author = {U.S. Geological Survey},
  year = {1908},
  doi = {10.3133/70175785},
  url = {https://pubs.usgs.gov/publication/70175785},
  note = {Source identifier: 70175785}
}