@misc{indiciae0f8d18d92ab2,
  title = {Texas colonial waterbird census, 1977-78},
  author = {Gene W. Blacklock and R.D. Slack and D.R. Blankinship and A.H. Chaney and Kirk A. King and J.C. Smith and L. Mullins},
  year = {1979},
  url = {https://pubs.usgs.gov/publication/5210219},
  note = {Source identifier: 5210219}
}