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You searched for: Date 1907/12 Remove constraint Date: 1907/12 Topical Subjects Counties--Marion. Remove constraint Topical Subjects: Counties--Marion.
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The Monongah Mine disaster occurred on December 6, 1907 and has been described as the worst mining disaster in American history. An explosion thought to have been caused by the ignition of methane ignited the coal dust in mines number 6 and 8, killing hundreds of workers.