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1
Debris flows from failures of Neoglacial-age moraine dams in the Three Sisters and Mount Jefferson Wilderness areas, Oregon /
Published 2001Subjects: “…avalanches Oregon Three Sisters Wilderness.…”
Government Document Book -
2
Three Sisters Wilderness, Deschutes and Willamette National Forests, Oregon, 1980-1981 /
Published 1982“…Three Sisters Wilderness (Or.) Maps.…”
Government Document Map