Maintaining inventory of Corps dams takes year-round effort
The Black Butte Dam and control tower for the outlet works is seen during an inspection by U.S. Army Corps of Engineers Sacramento District Dam Safety Sections on Nov. 30, 2017 near Orland, California. (U.S. Army photo by J. Paul Bruton / released)

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Photo by: U.S. Army Corps of Engineers |  VIRIN: 171205-A-ZZ999-007.JPG