@misc{indiciaeb81c70c551fd,
  title = {Chesterian davidsoniacean and orthotetacean brachiopods, Ozark region of Arkansas and Oklahoma},
  author = {T. W. Henry and M. Gordon},
  year = {1985},
  url = {https://pubs.usgs.gov/publication/70012975},
  note = {Source identifier: 70012975}
}