The Heart of the Mine: The Breaker
7:32
Why Coal Breakers were Horrific Places to Work (Coal Breakers Explained)
20:16
The Entire History of Caterpillar Inc.
25:34
I went INSIDE the last coal MINE in Longyearbyen ︱ Svalbard
8:47
Remembering the Huber Breaker: A Journey Back in Time
11:42
Visiting The World’s Deepest Open Pit Mine - Kennecott Copper Mine
7:09
Bottom Discharge Hopper Cars Dumping Coal
16:44
Mining Anthracite at S&J Coal Company
1:17:30