
History7 min read
The Morning 239 Miners Vanished Beneath the Youghiogheny
The 1907 Darr Mine disaster killed 239 miners and exposed the lethal price hidden inside western Pennsylvania’s coal economy.
2026-08-11
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The 1907 Darr Mine disaster killed 239 miners and exposed the lethal price hidden inside western Pennsylvania’s coal economy.

Allegheny City voted against consolidation, but Pennsylvania counted Pittsburgh and Allegheny together; Pittsburgh’s larger majority prevailed and the fight ended at the U.S. Supreme Court.