@misc{indiciae93834094bee0,
  title = {Late Miocene nonmarine diatoms from the Kilgore area, Cherry County, Nebraska},
  author = {G. W. Andrews},
  year = {1970},
  doi = {10.3133/pp683a},
  url = {https://pubs.usgs.gov/publication/pp683A},
  note = {Source identifier: pp683A}
}