@misc{indiciae49ff1ef06bbf,
  title = {Sediment delivery by ungaged tributaries of the Colorado River in Grand Canyon, Arizona},
  author = {Robert H. Webb and Peter G. Griffiths and Theodre S. Melis and Daniel R. Hartley},
  year = {2000},
  doi = {10.3133/wri004055},
  url = {https://pubs.usgs.gov/publication/wri004055},
  note = {Source identifier: wri004055}
}