@misc{indiciaea3fb843a8eda,
  title = {Geologic map of Morgantown quadrangle, North Carolina},
  author = {Arthur Keith and Douglass B. Sterrett},
  year = {1954},
  doi = {10.3133/ofr54140},
  url = {https://pubs.usgs.gov/publication/ofr54140},
  note = {Source identifier: ofr54140}
}