@misc{indiciaecbcbfb547733,
  title = {Preliminary geologic map of the Gold Hill quadrangle, North Carolina},
  author = {Harold W. Sundelius and Alfred R. Taylor},
  year = {1968},
  doi = {10.3133/ofr68264},
  url = {https://pubs.usgs.gov/publication/ofr68264},
  note = {Source identifier: ofr68264}
}