OConnor, Jim     Debris flows from failures of Neoglacial-age moraine dams inthe Three Sisters and Mount Jefferson wilderness areas, Oregon [Текст] / Jim OConnor, Jasper Hardison, John Costa // U.S. Geological survey professional paper. N 1648 / Geological survey - Washington : Government printing office , 2001. — S.I-VII,1-93 : il.