The lidar around Raging River looks decent. I ran some of it through karttapullautin and it looks ok:
I didn't do anything to "tune" the vegetation. I just used the settings I've been using for the latest data around Lawrence. From the write up it sounds like there's some thick vegetation. With some tuning, it might be possible to get a lot of that automatically.
It is a little hard to see the map in the race write-up, but it looks more like regular USGS contours than processed lidar.