William R. Halliday
National Speleological Society, Nashville, TN
Activity
2007
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LAVA TUBE, LAVA RISE, FLOW LOBE, HOLLOW TUMULUS AND OTHER CAVES OF THE 1919 "POSTAL RIFT" LAVA FLOW, KILAUEA CALDERA, HI: A SUBCRUSTAL FOLLOWUP OF GEORGE WALKER'S 1991 PAPER
23 Volcanoes of the Pacific Basin and Rim: Geological and Geophysical ObservationsSaturday, 5 May 20071:30 PM - 6:00 PM