@misc{indiciae96cd1ce6cef6,
  title = {Human drivers, biophysical changes, and climatic variation affecting contemporary cropping proportions in the northern prairie of the U.S},
  author = {Roger F. Auch and George Z. Xian and Christopher R. Laingen and Kristi L. Sayler and R Reker},
  year = {2017},
  doi = {10.1080/1747423x.2017.1413433},
  url = {https://pubs.usgs.gov/publication/70268475},
  note = {Source identifier: 70268475}
}