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Key Geologic Events in the Mount Hood Region
During the Past 30,000 Years


-- W.E. Scott, T.C. Pierson, S.P. Schilling, J.E. Costa, C.A. Gardner, J.W. Vallance, and J.J. Major, 1997,
Volcano Hazards in the Mount Hood Region, Oregon: U.S. Geological Survey Open-File Report 97-89, 14p.

Graphic, Geologic Events in the Mount Hood Region


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03/28/06, Lyn Topinka