@misc{indiciae2596084a27c2, title = {Debris flows from tributaries of the Colorado River, Grand Canyon National Park, Arizona}, author = {Robert H. Webb and Patrick T. Pringle and Glenn R. Rink}, year = {1989}, doi = {10.3133/pp1492}, url = {https://pubs.usgs.gov/publication/pp1492}, note = {Source identifier: pp1492} }