@misc{indiciae1896dd1de0bd,
  title = {Oxidized zinc deposits of the United States},
  author = {Allen Van Heyl and C. N. Bozion},
  year = {1964},
  doi = {10.3133/b1135},
  url = {https://pubs.usgs.gov/publication/b1135},
  note = {Source identifier: b1135}
}