@misc{indiciae38142326dc40,
  title = {Distribution of cobalt in heavy-mineral-concentrate samples from the Charlotte 1° x 2° quadrangle, North Carolina and South Carolina},
  author = {W. R. Griffitts and J. W. Whitlow and D. F. Siems and K.A. Duttweiler and J. D. Hoffman},
  year = {1984},
  doi = {10.3133/ofr84843l},
  url = {https://pubs.usgs.gov/publication/ofr84843L},
  note = {Source identifier: ofr84843L}
}