@misc{indiciae7a38dae61921,
  title = {Least tern and piping plover nesting at sand pits in Nebraska},
  author = {John G. Sidle and E.M. Kirsch},
  year = {1993},
  doi = {10.2307/1521432},
  url = {https://pubs.usgs.gov/publication/1003047},
  note = {Source identifier: 1003047}
}