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![Eastern section of survey line run by Lt map00010.jpg Eastern section of survey line run by Lt](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_map00010.jpg?itok=T7b1Q9lZ)
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Eastern section of survey line run by Lt. Joseph Dayman on HMS CYCLOPSduring telegraph cable survey of 1857. The work of Berryman and Dayman betweenin 1856 and 1857 respectively marked a new era in ocean exploration, thebeginning of systematic surveys, in this case to determine a telegraphcable route. (Image credit: NOAA Central Library Historical Collection)