TM 5-626 Unsurfaced Road Maintenance Management
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منابع مشابه
Recreational stream crossing effects on sediment delivery and macroinvertebrates in southwestern Virginia, USA.
Trail-based recreation has increased over recent decades, raising the environmental management issue of soil erosion that originates from unsurfaced, recreational trail systems. Trail-based soil erosion that occurs near stream crossings represents a non-point source of pollution to streams. We modeled soil erosion rates along multiple-use (hiking, mountain biking, and horseback riding) recreati...
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