@misc{indiciae42baae4b52bc,
  title = {Breeding bird censuses 86-91: Kentucky bluegrass prairie and mixed prairie},
  author = {Douglas H. Johnson and M.D. Schwartz},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/1001359},
  note = {Source identifier: 1001359}
}