@misc{indiciae0f031c80eb20,
  title = {Effects of management practices on grassland birds: Henslow's sparrow},
  author = {James R. Herkert},
  year = {1998},
  doi = {10.3133/70159918},
  url = {https://pubs.usgs.gov/publication/70159918},
  note = {Source identifier: 70159918}
}