The Danger of Coal Mines
Clip: Season 1 | 1m 5s | Video has closed captioning.
Historian Khalil Muhammad explains the various dangers in coal mining history.
Aired: 02/12/12
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Problems Playing Video? | Closed Captioning
Clip: Season 1 | 1m 5s | Video has closed captioning.
Historian Khalil Muhammad explains the various dangers in coal mining history.
Aired: 02/12/12
Problems Playing Video? | Closed Captioning