News Concrete GSSI demonstrates 3D concrete imaging using GPR Concrete GSSI demonstrates 3D concrete imaging using GPR March 02, 2016 Email Facebook Twitter LinkedIn Copy Link Learn more about the StructureScan Mini GPR system in the March issue of Heavy Equipment Guide. Company info Geophysical Survey Systems, Inc. (GSSI) 12 Industrial Way Salem, NH US, 03079 Website: geophysical.com Phone number: 603-893-1109 Read more Related Articles Concrete U.S. Department of Energy to invest $6 billion to help decarbonize the industrial sector Share Email Facebook Twitter LinkedIn Copy Link View Latest Concrete News