Exploring Cerro Gordo Ghost Town & Silver Mines
49:07
Exploring Cerro Gordo's Abandoned Silver Mines for Valuable Minerals with Dan Hurd & Brent Underwood
52:21
Smelting Gold Mine Sample - Processing Abandoned Underground Gold Mine Ore
43:15
¿Cuánto cuesta producir 1 onza de plata?
53:17
These Mines Collapsed 100 Yrs Ago And Now We’re Reopening Them (Cerro Gordo Pt 3)
1:05:06
How Much Gold In This Gold Ore? Crushing, Concentrating, & Smelting Gold from an Abandoned Gold Mine
1:16:19
1930's Patented Gold Mine Tailings Pile
42:20
The Ghost Town of Granite, Montana - "The Silver Queen"
32:37