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Photograph of the sea bed on Georges Bank. Left - Gravel pavement in an untrawled area reveals abundant worm tubes attached to gravel. Water depth is 88 meters. Right - Gravel Pavement in a trawled area; note the juvenile cod (dorsal view) in center of picture, and absence of attached organisms. Water depth is 73 meters. |
U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/fs/georges-bank/figures/fig4.html
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Last modified: 13:40:00 Mon 01 Dec 2003
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