USACE team at work in Marysville
U.S. Army Corps of Engineers Sacramento District’s Erik James, lead geotechnical engineer; Jim Drysdale, senior geologist; and Kim Woolf, senior construction representative, confer as a crew prepares to extract test cores of material from recently placed cutoff wall sections in the Marysville Ring Levee. (U.S. Army photo/Released)

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Photo by: Robert Kidd |  VIRIN: 120906-A-AY634-007.JPG