@misc{indiciae087885167ee9,
  title = {Nest sites of ducks in grazed mixed-grass prairie in North Dakota},
  author = {Harold F. Duebbert and J. T. Lokemoen and D.E. Sharp},
  year = {1986},
  url = {https://pubs.usgs.gov/publication/1001480},
  note = {Source identifier: 1001480}
}