@misc{indiciae97e1ce81a08a,
  title = {Historical and recent records and first nest records of Henslow's sparrow in North Dakota},
  author = {Jill A. Shaffer and Lawrence D. Igl and Frederick Vanhove},
  year = {2003},
  url = {https://pubs.usgs.gov/publication/70235700},
  note = {Source identifier: 70235700}
}