@misc{indiciae1a7eb07747f5,
  title = {Uncommon breeding birds in North Dakota: Population estimates and frequencies of occurrence},
  author = {L.D. Igl and Douglas H. Johnson and H.A. Kantrud},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70021211},
  note = {Source identifier: 70021211}
}