@misc{indiciaefc3c6d667ceb,
  title = {Environmental factors that influence the location of crop agriculture in the conterminous United States},
  author = {Nancy T. Baker and Paul D. Capel},
  year = {2011},
  doi = {10.3133/sir20115108},
  url = {https://pubs.usgs.gov/publication/sir20115108},
  note = {Source identifier: sir20115108}
}