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Mine Disasters in the United States

Dilltown Smokeless Coal Company
Dilltown No. 1 Mine Explosion

Dilltown, Indiana County, Pennsylvania
March 20, 1922
No. Killed 5

USBM Final Investigation Report  (2.8 Mb)  PDF Format
Cause of Explosion: Ignition of a methane air mixture by electric sparks from an unspecified source.

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