@misc{indiciae47682634458c,
  title = {The state of the Colorado River ecosystem in Grand Canyon: A report of the Grand Canyon Monitoring and Research Center 1991-2004},
  year = {2005},
  doi = {10.3133/cir1282},
  url = {https://pubs.usgs.gov/publication/cir1282},
  note = {Source identifier: cir1282}
}