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Field trip guide to Mount St. Helens, Washington—Recent and ancient volcan

By Volcano Hazards Program
image related to volcanoes. See description
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Detailed Description

The Field trip guide to Mount St. Helens, Washington—Recent and ancient volcaniclastic processes and deposits is available in the USGS Publications Warehouse, at https://doi.org/10.3133/sir20175022E.

Sources/Usage

Public Domain.