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Woodson Debris Flow - Oregon Department of Geology and Mineral ...

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Conclusions<br />

Excessive rainfall can trigger l<strong>and</strong>slides<br />

The entire length <strong>of</strong> a drainage may be effected,<br />

especially in the drainage mouth area<br />

At <strong>Woodson</strong>, the hazard was increased by the water<br />

damming behind the old RR trestle-fill embankment<br />

Property owners <strong>and</strong> state agencies worked<br />

together to warn those at risk<br />

Systematic l<strong>and</strong>slide hazard analysis in <strong>Oregon</strong> will<br />

lead to:<br />

– Effective mitigation strategies<br />

– Improved warning systems<br />

– Increased life safety <strong>and</strong> reduced property damage<br />

Burns, December 2007

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