@misc{indiciaee976fedc1f49,
  title = {Synthesis and Evaluation of Avian Populations and Habitat Data for Pennsylvania},
  author = {S.H. Anderson and C.S. Robbins and J.R. Partelow and J.S. Weske},
  year = {1981},
  url = {https://pubs.usgs.gov/publication/5200053},
  note = {Source identifier: 5200053}
}