@misc{indiciae974508932299,
  title = {Monitoring of coarse sediment inputs to the Colorado River In Grand Canyon},
  author = {Robert H. Webb and Peter G. Griffiths},
  year = {2001},
  doi = {10.3133/fs01901},
  url = {https://pubs.usgs.gov/publication/fs01901},
  note = {Source identifier: fs01901}
}