41. Le Pr�cheur in particular was devastated by an extensive debris flow , which washed away entire structures. 42. By then the town had been almost deserted, and the debris flow marked the end of Swansea. 43. The debris flow killed 26, 000 people. 44. A total of 26 perished during the Deep Gap Debris Flow in Watauga County, North Carolina alone. 45. Debris flows aren't to be trifled with.46. They must have been material from the sudden debris flows in a sand avalanche, the geologists concluded. 47. Later volcanism generated more lava domes within the caldera and a debris flow in the Sierra de Veladero. 48. The USGS geologists found paleosols with organic material above and below a thick layer of debris flow deposits. 49. Rubble on the flanks of the volcano and in valleys would occasionally be released to form debris flows . 50. The toe is a debris flow .
