map of mill creek diffuser block rehabilitation
The U.S. Army Corps of Engineers’ Walla Walla District (Corps) will be rehabilitating the diffuser blocks at the base of the diversion dam at Rooks Park beginning August 3, resulting in trail detours and trail closures in Rooks Park.

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Photo by: jeremy nguyen |  VIRIN: 200731-A-QM295-0002.JPG