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Mount St. Helens National Volcanic Monument

Mount St. Helens National Volcanic Monument was established following the 1980 eruption and is maintained by the U.S. Forest Service. 

Park Map of Mount St. Helens Natoinal Volcanic Monument

Mount St. Helens National Volcanic Monument Map
This is a map featuring the basic geology of Mount St. Helens National Volcanic Monument.

Learn more about Mount St. Helens at the U.S. Forest Service website.