| 1. | They usually include debris slides, debris flow, and failures of road cut-slopes.
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| 2. | The debris flows moved rapidly, and many of them were highly destructive.
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| 3. | Debris flows move as granular flows down steep mountain valleys and washes.
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| 4. | It is just east of Hellas Basin and is surrounded by debris flow.
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| 5. | Last winter's unusually low snowfall contributed to the current debris flow.
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| 6. | Farther down the fan, the debris flows routed themselves down streets.
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| 7. | Debris flows have been observed on some of the dunes in this crater.
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| 8. | Opal triggered a debris flow in the Poplar Cove area of Macon County.
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| 9. | The debris flows contained logs and branches, making them especially dangerous.
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| 10. | The beginning of debris flow is high precipitation, or long periods of precipitation,
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