Norfolk Reef
For nearly two years a Norfolk District oyster reef has thrived in the Elizabeth River just off shore from the District's Waterfield building. The reef, built by Norfolk District employee-volunteers, and the oysters which have been grown by students at Seatack Elementary in Virginia Beach, Va., has been successful in filtering water and improving the overall ecosystem of the river. (U.S. Army photo/Patrick Bloodgood)

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Tags: oyster
Photo by: Patrick Bloodgood |  VIRIN: 130827-A-OI229-036.JPG