@misc{indiciaebb0669db1a5a,
  title = {Circular patterns and exfoliation in crystalline terrane, Grandfather Mountain area, North Carolina},
  author = {John T. Hack},
  year = {1966},
  doi = {10.1130/0016-7606(1966)77[975:cpaeic]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70221253},
  note = {Source identifier: 70221253}
}