This might sound a little confusing, but apparently the way to reduce the threat of the Green Valley Dam failing after heavy rains is to shore up the Howard Hanson Dam upstream. The article says this will reduce the chances of Green Valley failing to 1 in 25 this winter.
A failure would flood a heavily populated area just south of Seattle, WA.
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Ralph Maughan
Dr. Ralph Maughan is professor emeritus of political science at Idaho State University with specialties in natural resource politics, public opinion, interest groups, political parties, voting and elections. Aside from academic publications, he is author or co-author of three hiking/backpacking guides, and he is past President of the Western Watersheds Project.
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