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− | File:Percolation trench.jpg|Percolation trench | + | Eco-Smart Infiltration trench.jpg|Trench laid in advance of the surrounding catchment being finished. This system would benefit from some geotextile on the surface to prevent sediment from accumulating before the asphalt is laid. |
| + | North Dakota State U infiltration trench.jpg|Good use of geotextile, being limited to preventing fines from entering the trench from above. |
| + | File:Percolation trench.jpg|View of infiltration trench in U.S. Photo credit: [[Acknowledgements|Moreau1]] |
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| [[category:Gallery]] | | [[category:Gallery]] |