@misc{indiciaec0d33e1b67c5,
  title = {Waterfowl nesting on small man-made islands in prairie wetlands},
  author = {R.F. Johnson and R.O. Woodward and L.M. Kirsch},
  year = {1978},
  url = {https://pubs.usgs.gov/publication/1001525},
  note = {Source identifier: 1001525}
}