@misc{indiciae4d5f436329cc,
  title = {Breeding bird populations of selected semipermanent wetlands in south-central North Dakota--1977},
  author = {Gary L. Krapu and R.K. Green},
  year = {1978},
  url = {https://pubs.usgs.gov/publication/1001540},
  note = {Source identifier: 1001540}
}