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Jeffery Frautschy with cores in hand while on the deck of R/V Horizon during the MidPac expedition. The MidPac expedition was a joint venture by Scripps Institution of Oceanography and the U.S. Navy which discovered the Mid-Pacific Mountain Range on the bottom of the Pacific Ocean. 1950.

Jeffery Frautschy with cores in hand while on the deck of R/V Horizon during the MidPac expedition. The MidPac expedition ...