@misc{indiciae0dd465edeef6,
  title = {Pegmatite geology of the Shelby district, North Carolina},
  author = {Wallace R. Griffitts},
  year = {1957},
  doi = {10.3133/ofr5840},
  url = {https://pubs.usgs.gov/publication/ofr5840},
  note = {Source identifier: ofr5840}
}