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![Deep Sea Soundings and Expeditions between 1888 and 1890 by AlexanderSupan map00370.jpg Deep Sea Soundings and Expeditions between 1888 and 1890 by AlexanderSupan](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_map00370.jpg?itok=WjjUYH-A)
Description
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.
Collection
Voyage to Inner Space