@misc{indiciaed9a12435b4c5,
  title = {Forty-fourth breeding bird census - Kentucky blue grass prairie and mixed prairie I-V, VIII},
  author = {Douglas H. Johnson and J.M. Callow},
  year = {1981},
  url = {https://pubs.usgs.gov/publication/1001593},
  note = {Source identifier: 1001593}
}