@misc{indiciaecf126173d4c1,
  title = {Pennsylvania's crossbill winter of 1997-1998},
  author = {P. Hess and M.R. Leahy and R. M. Ross},
  year = {1998},
  url = {https://pubs.usgs.gov/publication/1014558},
  note = {Source identifier: 1014558}
}