@misc{indiciaef759d766d579,
  title = {Stratigraphic and mineralogic relations and ceramic properties of clay deposits of Eocene age in the Jackson Purchase region, Kentucky, and in adjacent parts of Tennessee},
  author = {Wilds W. Olive and Warren Irvin Finch},
  year = {1969},
  doi = {10.3133/b1282},
  url = {https://pubs.usgs.gov/publication/b1282},
  note = {Source identifier: b1282}
}