1. Ecological responses at Mount St. Helens : revisited 35 years after the 1980 eruption /: revisited 35 years after the 1980 eruption. ([2018]) Editors: Crisafulli, Charles M; Dale, Virginia H Record Type: Book Extent: 1 online resource (xv, 336 pages), illustrations (some color), color maps, charts View Content: Available online (eLD content is only available in our Reading Rooms) ↗