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Uncovering Pyroclastic Flows on the Pumice Plain

Detailed Description

Joe Bard and Tyson Berndt finish digging a one-meter trench on the Pumice Plain, north of Mount St. Helens. The trench uncovers pyroclastic flow deposits and other strata for further study.

Copy of image 453 for the VHP home page. Can be deleted when removed from home page.

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