@misc{indiciae594f98b6c119,
  title = {Vegetation of wetlands of the prairie pothole region},
  author = {H.A. Kantrud and J.B. Millar and A.G. Van Der Valk},
  year = {1989},
  url = {https://pubs.usgs.gov/publication/85373},
  note = {Source identifier: 85373}
}