@misc{indiciaee9753efb95ec,
  title = {Geology of the Charleston phosphate area, South Carolina},
  author = {Harold E. Malde},
  year = {1959},
  doi = {10.3133/b1079},
  url = {https://pubs.usgs.gov/publication/b1079},
  note = {Source identifier: b1079}
}