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Artist's concept of

Artist's concept of "backing down," a maneuver which shifts the weight, causing the back end of a tuna purse seine (net) to sink beneath the surface a

Artist’s concept of “backing down,” a maneuver which shifts the weight, causing the back end of a tuna purse seine (net) to sink beneath the surface allowing porpoise that may be in the net to swim out over the top, while the tuna remain inside.

Author: NOAA Central Library Historical Fisheries Collection/ NOAA

License: Public Domain Mark 1.0 (Public domain)
640 x 459 57.59 KB
1280 x 918 226.73 KB
1920 x 1377 474.20 KB
2317 x 1661 842.89 KB
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Added On
17th October 2015
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