@misc{indiciae35056aa72147,
  title = {Results of the first ultralight-led sandhill crane migration in eastern North America},
  author = {Joseph W. Duff and William A. Lishman and D. A. Clark and G.F. Gee and D. H. Ellis},
  year = {2001},
  url = {https://pubs.usgs.gov/publication/5211132},
  note = {Source identifier: 5211132}
}