@misc{indiciae8e5e30bc0e70,
  title = {Preliminary geologic map of South Mountains State Park, Burke County, North Carolina},
  author = {Jarvis B. Hadley and Richard Goldsmith},
  year = {1978},
  doi = {10.3133/ofr78293},
  url = {https://pubs.usgs.gov/publication/ofr78293},
  note = {Source identifier: ofr78293}
}