@misc{indiciae265bd3a0e9cf,
  title = {Twentieth century arroyo changes in Chaco Culture National Historical Park},
  author = {Allen C. Gellis},
  year = {2002},
  doi = {10.3133/wri014251},
  url = {https://pubs.usgs.gov/publication/wri014251},
  note = {Source identifier: wri014251}
}