@misc{indiciaeef56d1cdbd53,
  title = {Minor elements in alluvial magnetite from the Inner Piedmont belt, North and South Carolina},
  author = {P. K. Theobald and W.C. Overstreet and C. E. Thompson},
  year = {1967},
  doi = {10.3133/pp554a},
  url = {https://pubs.usgs.gov/publication/pp554A},
  note = {Source identifier: pp554A}
}