“My familiarity with the successful use of very long steel ropes for mining purposes naturally suggested their adaptation to the new purpose of deep sea work.” LongUsePurposeSuccessfulSeaOceanExplorationSteelAdaptationRopeFamiliarityMiningDeep SeaOcean Exploration Book:A Contribution to American Thalassography: Three Cruises of the United States Coast and Geodetic Survey Steameer Source: A Contribution to American Thalassography: Three Cruises of the United States Coast and Geodetic Survey Steameer