Mossback's Northwest

Ice, Fire and Those Dam Floods

Long before the Grand Coulee Dam changed the Columbia River, lava, glaciers and epic floods radically reshaped its course. Geology professor Nick Zentner of Nick on the Rocks joins Mossback’s Northwest host Knute Berger to discuss a surprising phenomenon that altered the river ahead of the dam-builders.

Ice, Fire and Those Dam Floods

8m 13s

Long before the Grand Coulee Dam changed the Columbia River, lava, glaciers and epic floods radically reshaped its course. Geology professor Nick Zentner of Nick on the Rocks joins Mossback’s Northwest host Knute Berger to discuss a surprising phenomenon that altered the river ahead of the dam-builders.

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