Here's a couple screen shots of a bridge substructure that we modeled.
Here's another video of the same as below. I've colored the river bottom data in an elevation banding mode making it clearer to see the river bottom data.
Here's the first dataset showing the lidar data merged with the sonar data.
We are working on a project now that combines terrestrial lidar data with multibeam sonar data of a fairly large river corridor.
Here's a video of a 7 mile freeway project we recently completed.