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Geology of Mount Shasta

Figure 31

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Figure 31: Map of hazard zones for debris flows from Mount Shasta (Crandell and Nichols, 1987). Sites in zone A are most likely to be overrun by future flows, whereas those in zone C are least likely to be affected. Within a given zone, debris flow hazard decreases as one moves away from stream channels and onto higher ground.
 

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