@misc{indiciae4d4ab87ae78b,
  title = {Debris flows from tributaries of the Colorado River, Grand Canyon National Park, Arizona},
  author = {R. H. Webb and P. T. Pringle and G.R. Rink},
  year = {1987},
  doi = {10.3133/ofr87118},
  url = {https://pubs.usgs.gov/publication/ofr87118},
  note = {Source identifier: ofr87118}
}