@misc{indiciae71fe76f76c85,
  title = {Economic geology of the Iola quadrangle, Kansas},
  author = {George Irving Adams and Erasmus Haworth and W.R. Crane},
  year = {1904},
  doi = {10.3133/b238},
  url = {https://pubs.usgs.gov/publication/b238},
  note = {Source identifier: b238}
}