The latest picture that GoogleEarth® has is 1/23/2016.
It shows NO trees on the spillway.
https://www.google.com/maps/@39.5407962,-121.4938414,569m/data=!3m1!1e3
Not having a good day, am I ?
The tree were growing on the emergency spillway.
Seems like I would be better off to just watch and keep my mouth shut.