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Date: 2009-12-05 22:27:10Columbia River Interstate 84 Mount Hood National Forest Columbia River Basalt Group Basalt Eastern Oregon Columbia Plateau Snake River Flood basalt Geography of the United States Geography of North America Large igneous provinces | Ore Bin / Oregon Geology magazine / journalAdd to Reading ListSource URL: www.oregongeology.orgDownload Document from Source WebsiteFile Size: 2,70 MBShare Document on Facebook |