@misc{indiciae2ea59bb5bcbc,
  title = {Effects of the catastrophic flood of December 1966, north rim area, eastern Grand Canyon, Arizona},
  author = {Maurice E. Cooley and B. N. Aldridge and Robert C. Euler},
  year = {1977},
  doi = {10.3133/pp980},
  url = {https://pubs.usgs.gov/publication/pp980},
  note = {Source identifier: pp980}
}