Ash Peak Mine part 2. I never want to do this again.
27:53
The biggest mine I've ever seen
59:58
Mine Exploring Isn't Easy
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Washington's Forgotten Opal | Full Documentary
20:01
Riverbed Treasure found in Historic Ghost town while Mudlarking!
52:17
How the Spaniards and Miners of Old processed Gold and Silver (Arrastras, Smelters, Fire-Setting)
50:38
Caterpillar Manufacturing: Inside the Factories Building Behemoths | FD Engineering
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300' Deep Shaft to Artifacts
16:20