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An incident form submitted by mine shift supervisor Dene Murphy in June 2010. The Pike River mine's incident register records many attempts by Murphy to draw attention to failings in ventilation and gas management. These were never followed up.
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Extract from Dene Murphy's Incident/Accident form, 24 June 2010. Reproduced in Royal Commission on the Pike River Coal Mine Tragedy, vol. 2, p. 98.