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John Usher, Associate Chief Scientist for Science Services of the Deep Sea Drilling Project, on board the D/V Glomar Challenger (ship) editing the scientific site summaries from Leg 59 prior to radio transmission back to Deep Sea Drilling Project Headquarters at Scripps Institution of Oceanography. 1978.

John Usher, Associate Chief Scientist for Science Services of the Deep Sea Drilling Project, on board the D/V Glomar Chall...