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![]() Date: 2011-04-01 17:04:02Lava domes Cascade Volcanoes Extinct volcanoes Lassen Volcanic National Park Cascade Range Sutter Buttes Volcano Mount St. Helens Lassen Peak Geology Volcanology Volcanism | Source URL: pubs.usgs.govDownload Document from Source WebsiteFile Size: 5,57 MBShare Document on Facebook |