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Phelps Dodge Corporation
Dawson No. 6 Mine Explosives Detonation

Dawson, New Mexico
April 14, 1920
No. Killed - 5

Cause of Explosion: Blown-out shot.  The shot firers had loaded the holes, connected the leads, and signed out on the surface before the master switch was thrown to fire the shots.  Also, before the switch was thrown, they had returned underground to hasten their re-inspection of the faces required after shooting.  Gas and dust were ignited by overloaded blown-out shots or arcing lead wires as the switch was left in.

Note: This mine also referred to as Stag Cañon No. 1, 2

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