@misc{indiciaeac0558df5ce9,
  title = {Quantitative and historical evidence of vegetation changes along the upper Gila River, Arizona},
  author = {R. M. Turner},
  year = {1973},
  doi = {10.3133/ofr73284},
  url = {https://pubs.usgs.gov/publication/ofr73284},
  note = {Source identifier: ofr73284}
}