@misc{indiciae78823de8c8a6,
  title = {Mallard brood survival in prairie pothole landscapes},
  author = {Gary L. Krapu and P.J. Pietz and D.A. Brandt and R. R. Cox},
  year = {2000},
  url = {https://pubs.usgs.gov/publication/1001763},
  note = {Source identifier: 1001763}
}