@misc{indiciae232a27531bd1,
  title = {Gold in the United States, exclusive of Alaska and Hawaii},
  author = {Albert Herbert Koschmann and M.H. Bergendahl},
  year = {1962},
  doi = {10.3133/mr24},
  url = {https://pubs.usgs.gov/publication/mr24},
  note = {Source identifier: mr24}
}