Voyage of the Challenger: The Atlantic - A Preliminary Account of the General Results of the Exploring Voyage of HMS Challenger during the Year 1873 a
Led by Charles Wyville Thomson (1830-82), the Challenger Expedition (1872-6) sailed nearly 70,000 nautical miles across the globe, collected oceanographic data and marine specimens, and discovered the Mid-Atlantic Ridge. This acclaimed two-volume work, published in 1877, summarises the major discoveries for the Atlantic legs of this pioneering voyage.