@misc{indiciae89947a4f87bc,
  title = {Status and Trends of Resources Below Glen Canyon Dam Update - 2009},
  author = {John F. Hamill},
  year = {2009},
  doi = {10.3133/fs20093033},
  url = {https://pubs.usgs.gov/publication/fs20093033},
  note = {Source identifier: fs20093033}
}