SAVANNAH, Ga. — John Haskew (left), and Jim Kanady of the U.S. Army Corps of Engineers Savannah District collect a soil sample using a Geoprobe Direct Push Rig, Aug. 16, 2012. he U.S. Army Corps of Engineers (USACE), Savannah District hosted 82 engineers, geologists, drillers, and other professionals from locations across USACE for the Joint Conference of the Geology and Geotechnical Communities of Practice, Aug. 14-16, 2012.