@misc{indiciae576466747b89,
  title = {Geologic map of the Ladson quadrangle, Berkeley, Charleston, and Dorchester Counties, South Carolina},
  author = {R. E. Weems and Earl M. Lemon},
  year = {1988},
  doi = {10.3133/gq1630},
  url = {https://pubs.usgs.gov/publication/gq1630},
  note = {Source identifier: gq1630}
}