@misc{indiciae38eda4e7ce1d,
  title = {Osprey distribution, abundance, and status in western North America: I. The northern California population},
  author = {Charles J. Henny and David J. Dunaway and Robert D. Mallette and James R. Koplin},
  year = {1978},
  url = {https://pubs.usgs.gov/publication/5220987},
  note = {Source identifier: 5220987}
}