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pl23_map00370.jpg

Deep Sea Soundings and Expeditions between 1888 and 1890 by AlexanderSupan

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Deep Sea Soundings and Expeditions between 1888 and 1890 by AlexanderSupan. The numbers indicate hundreds of meters - i.e., 42 = 4200 meters. In:Petermann's Geographische Mitteilungen 1892. Graphic 4.

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