skos:altLabel | - Mount St. Helens National Volcanic Monument#Science and Learning Center at Coldwater
- Ape Cave
- Mount St. Helens - Johnston Ridge Observatory
- Mount St. Helens NVM
- Mount St. Helens Visitor Center at Silver Lake
- Mount St. Helens Volcanic
- Mount_St._Helens_National_Volcanic_Monument
- Mount St. Helens National Volcanic Monument#Johnston Ridge Observatory
- Mount St. Helens National Volcanic Monument Completion Act
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