64
Fig. 3.4 Mount St. Helens in eruption from aerial view (Image: USGS)
Fig. 3.3 Mount St. Helens before the eruption (17 May 1980). (Image: Harry Glicken, AP Photo/USGS)
3 Internal Material Flows in the Earth and Their Effects on the Society
Fig. 3.4 Mount St. Helens in eruption from aerial view (Image: USGS)
Fig. 3.3 Mount St. Helens before the eruption (17 May 1980). (Image: Harry Glicken, AP Photo/USGS)
3 Internal Material Flows in the Earth and Their Effects on the Society