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Monday, February 17, 2014
BBC News - Crowdsourced boats to map the seas
BBC News - Crowdsourced boats to map the seas: "For sailors, knowing the depth of the water beneath your boat is crucial - particularly if you do not want to run aground.
But large parts of the seas around the UK have not had their depth measured for well over a century, back when the method of choice was to throw over some lead and make note of when it hit the bottom."
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But large parts of the seas around the UK have not had their depth measured for well over a century, back when the method of choice was to throw over some lead and make note of when it hit the bottom."
'via Blog this'
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