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United States Department of Agriculture

Agricultural Research Service

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Image Number K8736-2

A low-drop grade-control structure is used to stabilize the stream or channel bed where an abrupt drop is needed. Here, agricultural engineer Kem Kadavy (left) and hydraulic engineer Kerry Robinson measure bed profiles in riprap (loose rock) upstream in a sealed-down model of the structure.

Photo by Scott Bauer.

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Last Modified: 3/14/2017
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