Hodge, Edwin T.2019-07-192019-07-191925-08-01Hodge, E., & University of Oregon. (1925). Mount Multnomah, ancient ancestor of the Three Sisters (1st ed., University of Oregon publication ; v. 2, no. 10). Eugene, Or.: University of Oregon.https://hdl.handle.net/1794/24790184 pages.enCreative Commons BY-NC-ND 4.0-USGeologyVolcanoesCascade RangeThree Sisters (Or.)Book