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Beýik köller
From Wikipedia, the free encyclopedia
Beýik köller (iňl. Great Lakes, fr. Grands Lacs) Demirgazyk Amerikada ABŞ-nyň we Kanadanyň territoriýasynda ýerleşýän süýji suwly köller ulgamy. Derýalar we bogazlar arkaly birleşýän ençeme iri we ortaça howdany öz içine alýar. Meýdany 245,2 müň km² çemesi, suwunyň göwrümi 22,7 müň km³.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/8/88/Lake_Superior_North_Shore%28v2%29.jpg/640px-Lake_Superior_North_Shore%28v2%29.jpg)