@misc{indiciae86c98950c726,
  title = {Evaluation of survey methods for colonial waterbirds at Chase Lake National Wildlife Refuge, North Dakota},
  author = {Lawrence D. Igl and Alisa J. Bartos and Robert O. Woodward and Paulette Scherr and Marsha A. Sovada},
  year = {2020},
  doi = {10.3133/ofr20201008},
  url = {https://pubs.usgs.gov/publication/ofr20201008},
  note = {Source identifier: ofr20201008}
}