The survey was conducted using Teledyne Optech CZMIL SuperNova lidar system, which allowed Dewberry to successfully survey a 55-mile (88.5km) stretch of the Potomac River, spanning from Hancock, ...

The aircraft used by NOAA to conduct LiDAR scanning of the Potomac River early Friday. Photograph courtesy of Unified Command. LiDAR—which stands for “light detection and ranging”—uses laser light ...