58:05

Liberty Gold and the Yellowstone Hotspot

1:07:18

Lake Chelan Geology

50:05

Ellensburg Blue Agates

26:34

Vertiendo lingotes de oro

1:04:35

Hells Canyon and the Ringold Formation

59:50

Gold Geology Of Subduction Zones, North Cascades, Washington State

1:02:58

Slow Earthquakes

17:36

Never Disappointed with Washington State Gold!!