@misc{indiciaeb7a85034bfcb,
  title = {Regional subsurface correlation of the Pierce Limestone and adjacent limestones of middle Tennessee},
  author = {James Farmer and E. F. Hollyday},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70180714},
  note = {Source identifier: 70180714}
}