@misc{indiciae1dc60423bd3c,
  title = {Mines, prospects, and occurrences of nonmetallic mineral commodities in the Greenville 1° x 2° quadrangle, South Carolina, Georgia, and North Carolina},
  author = {John P. D’Agostino and Bruce J. O’Connor and Alan J.W. Zupan and Arthur H. Maybin},
  year = {1994},
  doi = {10.3133/mf2215d},
  url = {https://pubs.usgs.gov/publication/mf2215D},
  note = {Source identifier: mf2215D}
}