@misc{indiciaec1bcf7ba5c94,
  title = {A guide for the use of digital elevation model data for making soil surveys},
  author = {A. A. Klingebiel and Emil H. Horvath and William U. Reybold and D. G. Moore and E. A. Fosnight and Thomas R. Loveland},
  year = {1988},
  doi = {10.3133/ofr88102},
  url = {https://pubs.usgs.gov/publication/ofr88102},
  note = {Source identifier: ofr88102}
}