Images of the methane cold seep taken from a towed camera sled in 1981 (left) and from the remotely operated vehicle Kraken II camera in 2012 (right). These images illustrate the changes in camera technology over this time period.

Images of the methane cold seep taken from a towed camera sled in 1981 (left) and from the remotely operated vehicle Kraken II camera in 2012 (right). These images illustrate the changes in camera technology over this time period. Images courtesy of B. Hecker, Hecker Consulting (left) and the Deepwater Canyons 2012 Expedition, NOAA-OER/BOEM/USGS (right).

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