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![]() Date: 2007-06-04 16:05:10Structural geology Geology of British Columbia Cascadia subduction zone Cascade Volcanoes Subduction Accretionary wedge Juan de Fuca Plate Cascadia earthquake Basin and Range Province Geology Plate tectonics Geology of Oregon | Source URL: geomaps.wr.usgs.govDownload Document from Source WebsiteFile Size: 638,11 KBShare Document on Facebook |