I was sniping in a suit with googles and snorkel for about 6 hours, didn't find more than a couple pieces of flour. Panned ~15 pans from misc locations, but mainly picked out cracks and moved rocks.
Absolutely beautiful location. 2 stage waterfall, both pools are quite deep. I'd imagine those superdeep pools are holding anything worth picking up, but it's too deep for freediving with a light to do anything more that see whats possible.
Access is super easy, it's less than a half mile to walk to the falls through the campground trail in the immediate vicinity. From there, moving up and down the river immediately around the claim area is much more simple.
Rock was a natural bedrock sluice after the falls, and had great cracks to work, but after working deep into what would have been a magical hole, I pulled out 10ish lead shot, fishing weights, etc, and not even a spec of gold. That was when I gave up. I found a pair of binoculars, and a pair of sunglasses down there in various points...
I'd go back only if I had a breathing assist to deep dive those pools. I'd imagine the upper pool is a treasure trove.