@misc{indiciaee58354e7bb58,
  title = {California condor survey, 1978},
  author = {S.R. Wilbur and R.D. Mallette and J.C. Borneman},
  year = {1979},
  url = {https://pubs.usgs.gov/publication/5221488},
  note = {Source identifier: 5221488}
}