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DW P-11 [Downwind Expedition, Underwater Photograph P11]Depth 4660. Sediment type: Calc. Ooze. Mounds-Small trails around slbs. One tunnel under a nodule (tailing at each end)

DW P-11 [Downwind Expedition, Underwater Photograph P11]Depth 4660. Sediment type: Calc. Ooze. Mounds-Small trails around ...