@misc{indiciae9d3b6b847bf6,
  title = {Small-scale soil maps in the United States as prototypes for handling soils in a global geographic information system},
  author = {Norman B. Bliss and William U. Reybold},
  year = {1987},
  url = {https://pubs.usgs.gov/publication/70231789},
  note = {Source identifier: 70231789}
}