@misc{indiciaeeeda9a64f1f8,
  title = {Percent-slope classes to characterize the unsaturated zone in North Carolina},
  author = {Silvia Terziotti and Jo Leslie Eimers},
  year = {2001},
  doi = {10.3133/ofr01495},
  url = {https://pubs.usgs.gov/publication/ofr01495},
  note = {Source identifier: ofr01495}
}