@misc{indiciae22ec26f88754,
  title = {Preliminary map of vanadium provinces in the conterminous United States},
  author = {Harry Klemic and Edwin Wilson Tooker},
  year = {1979},
  doi = {10.3133/ofr79576i},
  url = {https://pubs.usgs.gov/publication/ofr79576I},
  note = {Source identifier: ofr79576I}
}