@misc{indiciaeb0f1e8eabe81,
  title = {Last Glacial loess in the conterminous USA},
  author = {E. Arthur Bettis and Daniel R. Muhs and Helen M. Roberts and Ann G. Wintle},
  year = {2003},
  doi = {10.1016/s0277-3791(03)00169-0},
  url = {https://pubs.usgs.gov/publication/70038742},
  note = {Source identifier: 70038742}
}