Today we find out what this is!

[Ziggy]

Here's another boring video...there's a fish at 1:15. I showed another one of the HD videos to my friend who does gold panning and he agrees it was gold that we saw and it could actually be a vent shaft for one of the gold mines. It seems to open up at the bottom.

There's gold in them thar hills.
Hire Scott Meisterheim to get it out for you