@misc{indiciaeba39e6796b71,
  title = {Carolina Trough structure contour maps},
  author = {Charles K. Paull and William P. Dillon},
  year = {1982},
  doi = {10.3133/mf1402},
  url = {https://pubs.usgs.gov/publication/mf1402},
  note = {Source identifier: mf1402}
}