@misc{indiciae312136425d17,
  title = {Pollution ecology of breeding great blue herons in the Columbia Basin, Oregon and Washington},
  author = {L. J. Blus and Charles J. Henny and T. E. Kaiser},
  year = {1980},
  doi = {10.2307/3535035},
  url = {https://pubs.usgs.gov/publication/5221628},
  note = {Source identifier: 5221628}
}