@misc{indiciae211baa9005bf,
  title = {Studies from the history of soil science and geology},
  author = {Edward R. Landa and Benjamin R. Cohen},
  year = {2010},
  doi = {10.1016/j.pce.2010.10.005},
  url = {https://pubs.usgs.gov/publication/70042429},
  note = {Source identifier: 70042429}
}