@misc{indiciaeccacad7cc766,
  title = {Frequency and initiation of debris flows in Grand Canyon, Arizona},
  author = {Peter G. Griffiths and Robert Webb and Theodore S. Melis},
  year = {2004},
  doi = {10.1029/2003jf000077},
  url = {https://pubs.usgs.gov/publication/70216716},
  note = {Source identifier: 70216716}
}