@misc{indiciae7c00f60f25b4,
  title = {National atlas of coastal waterbird colonies in the contiguous United States, 1976-82},
  author = {J. A. Spendelow and S.R. Patton},
  year = {1988},
  url = {https://pubs.usgs.gov/publication/5200273},
  note = {Source identifier: 5200273}
}