@misc{indiciae2a5ca9d0b37a,
  title = {Age and origin of the Austell Gneiss, western Georgia Piedmont-Blue Ridge, and its bearing on the ages of orogenic events in the Southern Appalachians},
  author = {Michael W. Higgins and Joseph G. Arth and Joseph L. Wooden and Thomas J. Crawford and Thomas W. Stern and Ralph Crawford},
  year = {1997},
  doi = {10.1130/0-8137-1191-6.181},
  url = {https://pubs.usgs.gov/publication/70246429},
  note = {Source identifier: 70246429}
}