@misc{indiciaefe9a825aff9f,
  title = {Correlation of Quaternary glacial sequences in the Western United States based on weathering rinds and related studies},
  author = {S.M. Colman and Kenneth L. Pierce},
  year = {1984},
  url = {https://pubs.usgs.gov/publication/70210769},
  note = {Source identifier: 70210769}
}