@misc{indiciaeacdb245dd7d2,
  title = {Vegetation of prairie potholes, North Dakota, in relation to quality of water and other environmental factors},
  author = {R. E. Stewart and H.A. Kantrud},
  year = {1972},
  doi = {10.3133/pp585d},
  url = {https://pubs.usgs.gov/publication/pp585D},
  note = {Source identifier: pp585D}
}