Annual Falls Dam Safety Inspection
Wilmington District civil engineer Zack Nichols uses a probe to check the soil surface under a layer of riprap for any signs of erosion during the annual dam safety inspection at Falls Dam in Raleigh. (USACE photo by Hank Heusinkveld)

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Photo by: Hank Heusinkveld |  VIRIN: 131211-A-IM544-002.JPG