@misc{indiciae9e61b0b6e027,
  title = {Changes in vegetation structure in seeded nesting cover in the prairie pothole region},
  author = {K.F. Higgins and W.T. Barker},
  year = {1982},
  url = {https://pubs.usgs.gov/publication/2000124},
  note = {Source identifier: 2000124}
}