Geology Of Yellowstone Park

Year Published: 1967

Format: 16mm

Sound: sound

Description: Discusses geological character of Yellowstone National Park. Includes volcanic pact and current hydrothermal activity. Describes subterranean conditions. Explains how geysers and hot pools function and emphasizes the crustal instability of the region. Includes scenes of the 1959 Madison-Hebgen Earthquake site.

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