Cutoff wall installation at Herbert Hoover Dike
The mud flies as machine functioning as a "vertical chain saw" mixes soil with slurry to form a partial cutoff wall in the Herbert Hoover Dike surround Lake Okeechobee in south Florida. The work was part of a $220 million investment to reduce the risk of dike failure through installation of 21.4 miles of cutoff wall on the southeast side of the dike.

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Photo by: U.S. Army Corps of Engineers Jacksonville District |  VIRIN: 100203-A-CE999-513.JPG