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![]() Date: 2003-10-08 15:27:51Virginia Igneous petrology Volcanology Shenandoah National Park Old Rag Mountain Igneous rock Granite Intrusion Crust Petrology Geography of the United States Blue Ridge Mountains | Source URL: pubs.usgs.govDownload Document from Source WebsiteFile Size: 2,19 MBShare Document on Facebook |
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