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Minnesota Public Drainage Manual

Grade Stabilization Structure (NRCS CP 410) Rock Riffle/Rock Grade Control Structure

Grade Stabilization Structure (NRCS CP 410) Rock Riffle/Rock Grade Control Structure

Rock Grade Control Structure, Wilkin County Ditch No. 6A

Rock-Riffles-re-sized.jpg
(Source: Houston Engineering, Inc.)

Rock Riffle Grade Control Structure, Buffalo River, Hawley, MN

Rock-riffles-2.jpg
(Source: Houston Engineering, Inc.)

Rock Drop Structures, Judicial Ditch 15, Branch B, Middle-Snake-Tamarac Watershed District, Marshall County

Rock-riffles-3-re-sized.jpg
(Source: Houston Engineering, Inc.)

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This page was last edited on 4 November 2016, at 16:33.

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