@misc{indiciae7127ae89a038,
  title = {Digital archive : previously unpublished expedition sketches by Henry W. Elliott united with the Preliminary field report of the United States Geological Survey of Colorado and New Mexico, 1869, by F.V. Hayden},
  author = {Kevin C. McKinney},
  year = {2003},
  doi = {10.3133/ofr03384},
  url = {https://pubs.usgs.gov/publication/ofr03384},
  note = {Source identifier: ofr03384}
}