Tributary No. 9 Restoration, Maryland State Highway Administration

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by James W. Gracie, (Aff.M.ASCE),
Robert Shreeve,
Linda Kelbaugh,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water:

Abstract: The Maryland State Highway Administration agreed to accomplish restoration of 1,100 feet of stream channel as part of a mitigation agreement with the U.S. Army Corps of Engineers, Baltimore District, for impacts to waters of the United States under a Section 404 Wetland permit. Restoration was accomplished by restoring stable geometry using vortex rock weirs and root wads. A five year monitoring effort is underway to determine stability and particle size distribution of channel materials.

Subject Headings: Highways and roads | Ecological restoration | Channel stabilization | Particle size distribution | Stream channels | Agreements and treaties | Federal government | Rivers and streams | North America | United States | Maryland | Baltimore

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