[EarthResearcher333]

Was this the view of the erosion/hole?

https://imgur.com/a/yDI2L

[janetjanet998]

just a still shot of a small portion...

this is live but you can rewind....about 40 mins from this posting....you can also noticed the hillside is now a cliff about a third of the way down the good portion of the main spillway

https://www.youtube.com/watch?v=dTWyJ1LmDsk

[tomkat]

Good catch, ER.
Sorry for the size y'all, but this is worth some scrolling:

[Grampa Dave]

I don't think this picture was shown yesterday. If it was, I had left FR for the evening.

That looks like a lot of bed rock has been eroded and taken away.