@misc{indiciaea899ad5dfe46,
  title = {Drill logs for part of Arkansas bauxite district},
  author = {J.I. Tracy and Mackenzie Gordon},
  year = {1949},
  doi = {10.3133/ofr4950},
  url = {https://pubs.usgs.gov/publication/ofr4950},
  note = {Source identifier: ofr4950}
}