@misc{indiciae86b5ad6f4326,
  title = {Numbers and distribution of double-crested cormorants on the upper Mississippi River},
  author = {E.M. Kirsch},
  year = {1997},
  doi = {10.2307/1521684},
  url = {https://pubs.usgs.gov/publication/1002880},
  note = {Source identifier: 1002880}
}