File:Vertical subsurface flow constructed wetland (aqua).jpg
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![File:Vertical subsurface flow constructed wetland (aqua).jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Vertical_subsurface_flow_constructed_wetland_%28aqua%29.jpg/800px-Vertical_subsurface_flow_constructed_wetland_%28aqua%29.jpg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:33, 5 January 2007 | ![]() | 2,100 × 1,575 (496 KB) | Lloyd roz | author - Brown and Caldwell source - Aqua Treatment Technologies This picture has been prepared for me by Brown and Caldwell I routinely use it for educational purposes, lectures etc. |
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