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USGS CMG InfoBank Geology School: National Geographic Expedition

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Title Comment Keywords
Mt. Katmai Eruption 16:39 - 17:50 (01:11) / 2.0 MB eruption, "Mount Katmai", Alaska, "volcanic ash", pumice, gas, volcano, "National Geographic Expedition", "Robert Fiske Griggs", vent, fumerole, swamp, woodland, "Valley of Ten Thousand Smokes"
Noverupta 17:50 - 18:26 (00:36) / 0.8 MB eruption, "Mount Katmai", Alaska, volcano, "National Geographic Expedition", Noverupta, "lava flow", dome, crater, caldera, magma, vent
Geology School Keywords
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Page Last Modified: Thu Oct 31 04:24:42 PDT 2013  (chd)