@misc{indiciaee8be4fb24fc4,
  title = {Certain brown iron ores in Alabama},
  author = {Ernest Francis Burchard},
  year = {1928},
  doi = {10.2113/gsecongeo.23.4.454},
  url = {https://pubs.usgs.gov/publication/70211685},
  note = {Source identifier: 70211685}
}