An airman from the 99th Civil Engineer Squadron surveys the concrete density of a new flood wash gully, Feb. 4, 2013, at Nellis Air Force Base, Nev. The new gully was installed during the construction of a new roundabout which will be finished June 1. (U.S. Air Force by Photo Senior Airman Daniel Hughes)
Senior Airman Daniel Hughes
Taken on 4 February 2013
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