@misc{indiciae09c5fd34c67f,
  title = {Mineral production maps of the Charlotte 1° x 2° quadrangle, North Carolina and South Carolina},
  author = {J.H. DeYoung and M. P. Lee and J. P. Dorian},
  year = {1985},
  doi = {10.3133/i1251f},
  url = {https://pubs.usgs.gov/publication/i1251F},
  note = {Source identifier: i1251F}
}