I've been to the one you describe with the mortared rock pool with the drain plug on a chain.

I think this link has a picture of it.


http://www.liskgallery.com/index.php#mi=2&pt=1&pi=10000&s=31&p=10&a=0&at=0

I've also read about the inscription on the rocks that you are talking about, but I've never seen that.

What is the situation with the "Ruby Falls" that supposedly covered up Salmon Falls?

Do Jet boats travel upstream past the mouth of the Middle Fork on the Main?

How many hot springs are actually accessible from the river?