@misc{indiciaeac4376132bbc,
  title = {Status of the peregrine falcon in the Rocky Mountains and the southwestern United States, Baja California, and Mexico (south of Texas)},
  author = {Ron Porter and G.R. Craig and D. H. Ellis and J.H. Enderson and W.G. Hunt},
  year = {1978},
  url = {https://pubs.usgs.gov/publication/5211247},
  note = {Source identifier: 5211247}
}