@misc{indiciaedc543c59c9e3,
  title = {Forty-ninth Christmas bird count. 116. Southern Anne Arundel County, Md},
  author = {C.S. Robbins and R. E. Stewart},
  year = {1949},
  url = {https://pubs.usgs.gov/publication/5224688},
  note = {Source identifier: 5224688}
}