in a watershed; however, it remains challenging to predict the amount of sediment mobilized and therefore, the total size of debris flows that may nucleate for a given storm, and whether or not debris basins will have the capacity to protect downstream communities. These challenges make debris flows particularly dangerous to mountain front communities. In popular culture In 1989, as part of his large-scale piece David Gordon's United States, and later, in 1999, as part of Autobiography of a Liar, choreographer David Gordon brought together the music of Harry Partch and the words of John McPhee from The Control of Nature, read by Norma Fire, in a dance titled "Debris Flow", a "harrowing taped narrative of a family's ordeal in a massive L.A. mudslide..." See also Colluvium Illhorn, below which lies Illgraben a popular debris flow tourist spot Rheology References Notes Further reading McPhee, John. The Control of Nature. New York: Noonday Press (Farrar, Straus & Giroux, 1989 ) External links Dongchuan Debris Flow Observation and Research Station, China Video documentation of experiments at the USGS debris-flow flume, Oregon, USA Mass Movements. Section of the information platform "Natural hazards in Switzerland" Washington State information about Debris flows, and related material Debris Flow Association Geological hazards Geomorphology Landslide types Articles containing video clips Natural disasters