@misc{indiciaeefcd15c6a9cd,
  title = {Parameterizing century to model cultivated and noncultivated sites in the Loess region of western Iowa},
  author = {Kristen L. Manies and Jennifer W. Harden and Larry Kramer and William Parton},
  year = {2000},
  doi = {10.3133/ofr00508},
  url = {https://pubs.usgs.gov/publication/ofr00508},
  note = {Source identifier: ofr00508}
}