@misc{indiciae394180534f76,
  title = {Varied records of early Wisconsinan alpine glaciation in the western United States derived from weathering-rind thicknesses},
  author = {Peter U. Clark and P.D. Lea},
  year = {1992},
  doi = {10.1130/spe270},
  url = {https://pubs.usgs.gov/publication/70194851},
  note = {Source identifier: 70194851}
}