@misc{indiciae966cc66661d3,
  title = {Computation and analysis of the instantaneous-discharge record for the Colorado River at Lees Ferry, Arizona — May 8, 1921, through September 30, 2000},
  author = {David J. Topping and John C. Schmidt and L. E. Vierra},
  year = {2003},
  doi = {10.3133/pp1677},
  url = {https://pubs.usgs.gov/publication/pp1677},
  note = {Source identifier: pp1677}
}