@misc{indiciaed1447f1f393e,
  title = {Mississippi Basin Carbon Project: Upland soil database for sites in Nishnabotna River basin, Iowa},
  author = {J.W. Harden and T. L. Fries and R. Haughy and L. Kramer and Shuhui Zheng},
  year = {2001},
  doi = {10.3133/ofr01217},
  url = {https://pubs.usgs.gov/publication/ofr01217},
  note = {Source identifier: ofr01217}
}