@misc{indiciae4a6403958ba9,
  title = {Waterfowl nesting on an earth-filled cement culvert},
  author = {K.F. Higgins and H.W. Miller and L.M. Kirsch},
  year = {1986},
  url = {https://pubs.usgs.gov/publication/1001162},
  note = {Source identifier: 1001162}
}