11840 Jong-Gwon Yum, Masami iVatanabe, Tadashi Nakamura 130'E Ulrung Is 35SN East Sea Hane OH-94...
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11840 Jong-Gwon Yum, Masami iVatanabe, Tadashi Nakamura 130'E Ulrung Is 35SN East Sea Hane OH-94 Lake Hane 10m 20m 30m Kumi 10m 10m 1 km Fig. 1 Location map of the Lake Hane with boring