IGNITION OR EXPLOSION OF GAS OR DUST at Drummond Company Inc
BASED ON THE INFORMATION IDENTIFIED BY THOSE PRESENT, IT APPEARS THE IGNITION OCCURRED WHEN THE SPARKS FROM THE CUTTING MACHINE (SHEAR) IGNITED AN UNKNOWN METHANE BLEEDER WHILE CUTTING HARD ROCK AND COAL IN ADVERSE GEOLOGICAL CONDITION AT SHIELD #174. MSHA NOTIFIED.
U.S. Mine Safety and Health Administration