Image of hydroGEOPHYSICS staffer Beau Neal swinging a sledgehammer for a multi-channel analysis of surface waves (MASW) seismic survey – Photography by Shawn Calendine
Image of hydroGEOPHYSICS staffer Beau Neal swinging a sledgehammer for a multi-channel analysis of surface waves (MASW) seismic survey – Photography by Shawn Calendine