@misc{indiciaebdde6b21afef,
  title = {Duck nesting in intensively farmed areas of North Dakota},
  author = {K.F. Higgins},
  year = {1977},
  doi = {10.2307/3800600},
  url = {https://pubs.usgs.gov/publication/1001517},
  note = {Source identifier: 1001517}
}