On Wed, 28 Oct 2009 14:16:57 +0100, Invisible <voi### [at] devnull> wrote:
>
http://maps.google.co.uk/maps?hl=en&ie=UTF8&ll=74.781612,36.914063&spn=4.33208,28.125&t=h&z=6
>
> How random... Lots of perfectly straight lines, meeting at crisp angles.  
> But what on Earth is it?

Most such artificial-looking features in Google's ocean maps are simply  
data collection artifacts. Straight lines typically indicate the path of  
the boat carrying the sonar equipment. Other artifacts can appear where  
low-accuracy satellite-based measurements disagree with the more precise  
sonar data.



-- 
FE

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