New backfill mix
As part of the final phase off capping a crater, the pavements team with the Air Force Civil Engineer Center uses a steel drum compactor at the backfill event on July 16, 2019 at the 9700 Area at Tyndall Air Force Base, Florida. (U.S. Air Force photo by Grace Bland)

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Photo by: Grace Bland |  VIRIN: 191213-F-ZZ999-201.JPG