Title |
Comment |
Keywords |
Mt. Katmai Eruption
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16:39 - 17:50 (01:11) / 2.0 MB
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eruption, "Mount Katmai", Alaska, "volcanic ash", pumice, gas, volcano, "National Geographic Expedition", "Robert Fiske Griggs", vent, fumerole, swamp, woodland, "Valley of Ten Thousand Smokes"
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Coal
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08:56 - 09:44 (00:48) / 1.3 MB
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"Dee Trent", "sedimentary rock", "swampy bayou", delta, moss, weed, root, tree, compaction, coal, swamp, water, "Okeefanokee Swamp", "Southeast Asia", vegetation, preservation, pressure, "geologic time", peat
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Geology School Keywords
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