Demonstration of multibeam echosounder technology, Knik River near Palmer, Alaska
Demonstration of multibeam echosounder technology, Knik River near Palmer, AlaskaMike Knapp, hydraulic engineer with the Alaska Department of Transportation and Public Facilities (far right) introduces USGS hydrologist Taylor Dudunake (back to camera) for a demonstration of multibeam echosounder technology on the Knik River near Palmer, Alaska, July 27, 2023.