@misc{indiciaee59e97391992,
  title = {Aeroradioactivity maps in heavy-mineral exploration: Charleston, South Carolina, area},
  author = {E. R. Force and A. E. Grosz and P. J. Loferski and A.H. Maybin},
  year = {1982},
  doi = {10.3133/pp1218},
  url = {https://pubs.usgs.gov/publication/pp1218},
  note = {Source identifier: pp1218}
}