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![Dead Reckoning Lines in the Gulf of Alaska ship3145.jpg Dead Reckoning Lines in the Gulf of Alaska](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship3145.jpg?itok=DeFt6yCo)
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Dead Reckoning Lines in the Gulf of Alaska. Showing the systematic planningof tracklines year by year from 1925 to 1939 by the Coast and Geodetic Survey.In: Submarine Mountains in the Gulf of Alaska by Harold W. Murray of the C&GS.;Published in Bulletin of the Geological Society of America, 1941, Vol 52, pp. 333-362. Offprint call number: 526.98 M98. (Image credit: Archival Photography by Steve Nicklas)