New Terra Sonic Drill Rig
Geologists and technicians with the U.S. Army Corps of Engineers (USACE) Savannah District operate a new TerraSonic drill rig—a piece of high-tech machinery that is the only one of its kind within USACE—June 25, 2014. The Savannah District will use the sonic drill in subsurface and geotechnical investigation projects, serving various state and federal customers throughout the nation. The new sonic drill gives Savannah's drilling team increased capability to drill through all types of soils and most rock.

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Photo by: George Jumara |  VIRIN: 140625-A-SL877-045.JPG