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Fire Mountains of the West: The Cascade and Mono Lake Volcanoes, Stephen L. Harris, (Mountain Press Publishing Company, Missoula; 1988) .
Fred Beckey. 1973. Cascade Alpine Guide (3 vols.) (The Mountaineers, Seattle).
Stephen L. Harris. 1976. Fire and Ice (The Mountaineers, Seattle).
USGS: Living With Volcanic Risk in the Cascades.
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