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→Erosion controls
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[[Media:Screenshot 2025-11-19 104410.png|Surface roughening diagram for slopes steeper than 3H:1V and H > 1.5 m]]
[[Media:Screenshot 2025-11-19 104410.png|Surface roughening diagram for slopes steeper than 3H:1V and H > 1.5 m]]
[[Media:Surface roughening dozer.png|Surface roughening for slopes steeper than 2H:1V using bulldozer (Virginia Department of Environmental Quality)<ref>Virginia Department of Environmental Quality. Virginia Stormwater Management Handbook Version 1.1. https://online.encodeplus.com/regs/deq-va/doc-viewer.aspx?secid=689#secid-689</ref>]]
[[Media:Surface roughening dozer.png|Surface roughening for slopes steeper than 2H:1V using bulldozer (Virginia Department of Environmental Quality)<ref>Virginia Department of Environmental Quality. Virginia Stormwater Management Handbook Version 1.1. https://online.encodeplus.com/regs/deq-va/doc-viewer.aspx?secid=689#secid-689</ref>]]
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