@misc{indiciae63283b60c7c4,
  title = {Geology of the Arkansas bauxite region},
  author = {Mackenzie Gordon and J. I. Tracey and M.W. Ellis},
  year = {1958},
  doi = {10.3133/pp299},
  url = {https://pubs.usgs.gov/publication/pp299},
  note = {Source identifier: pp299}
}