@misc{indiciae95d477888d1d,
  title = {Calcic soils and calcretes in the southwestern United States},
  author = {George Odell Bachman and Michael N. Machette},
  year = {1977},
  doi = {10.3133/ofr77794},
  url = {https://pubs.usgs.gov/publication/ofr77794},
  note = {Source identifier: ofr77794}
}