Deep sea dredging, as a means of scientific discovery, was popularized after the Challenger Expedition (1872-1876) came back to port in Spithead, Hampshire in the United Kingdom. In four years, the scientifically outfitted steamboat had circumnavigated the globe, traveled a total distance of 68,890 nautical miles, and along the way had picked-up 4,700+ previously unobserved and unnamed species.
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