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Gigapans

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  1. Windy Ridge is one of the best places to get an overview of the area devastated by the 1980 eruption of Mount St. Helens. The landscape is littered with sand and gray rocks from that event. Deposits of the debris avalanche are visible to the west. These include the lower parts of The Spillover, where the debris avalanc...

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  2. The Johnston Ridge Observatory sits on a bluff just 5-1/2 miles from the crater at an elevation of 4,314'/1,327m and offers grand views of Mount St. Helens and much of the 1980 blast zone. Here you can enjoy spectacular views of the lava dome, crater, pumice plain and the landslide deposit.

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  3. Here one can see pumice from the Long Valley Caldera forming eruption deposited atop glacial till. Look closely for the changes in vegetation along the face of the roadcut.