@misc{indiciaec163ee4be99c,
  title = {Soils as relative-age dating tools},
  author = {Helaine W. Markewich and Milan J. Pavich and Douglas A. Wysocki},
  year = {2017},
  doi = {10.1002/9781118786352.wbieg0437},
  url = {https://pubs.usgs.gov/publication/70188499},
  note = {Source identifier: 70188499}
}