@misc{indiciae855e6bedeb89,
  title = {2007 Rocky Mountain section Friends of the Pleistocene field trip - Quaternary geology of the San Luis basin of Colorado and New Mexico, September 7-9, 2007},
  author = {Michael N. Machette and Mary-Margaret Coates and Margo L. Johnson},
  year = {2007},
  doi = {10.3133/ofr20071193},
  url = {https://pubs.usgs.gov/publication/ofr20071193},
  note = {Source identifier: ofr20071193}
}