@misc{indiciaead7ceb98120b,
  title = {Levels of time information in weathering measurements, with examples from weathering rinds on volcanic clasts in the Western United States},
  author = {Steven M. Coleman and David P. Dethier},
  year = {1986},
  url = {https://pubs.usgs.gov/publication/70196013},
  note = {Source identifier: 70196013}
}