@misc{indiciae03cc45711048,
  title = {A quantitative index of soil development from field descriptions: Examples from a chronosequence in central California},
  author = {J.W. Harden},
  year = {1982},
  doi = {10.1016/0016-7061(82)90037-4},
  url = {https://pubs.usgs.gov/publication/70011797},
  note = {Source identifier: 70011797}
}