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− | + | Correctly sized riprap used for apron energy dissipation. Rock is correctly placed according to corrugated metal pipe size and outlet velocity. |
Correctly sized riprap used for apron energy dissipation. Rock is correctly placed according to corrugated metal pipe size and outlet velocity.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:45, 18 October 2016 | 893 × 670 (344 KB) | PLeegar (talk | contribs) | ||
16:34, 18 October 2016 | 893 × 670 (344 KB) | PLeegar (talk | contribs) |
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