@misc{indiciaed22963df8721,
  title = {Interpreting evidence of depredation of duck nests in the prairie pothole region},
  author = {A.B. Sargeant and M.A. Sovada and R. J. Greenwood},
  year = {1998},
  url = {https://pubs.usgs.gov/publication/93782},
  note = {Source identifier: 93782}
}