Parts of the Yellowstone Caldera are swelling rapidly. The Sour Creek Dome just east of Haden Valley is rising 6 centimeters a year as (likely) magma flows in under it.
Story in the Billings Gazette. By Mike Stark.
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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 President of the Western Watersheds Project.
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