Mining Incidents
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Case study · MSHA Record #220101660042

Bull Gang Foreman, Labor Foreman, Leadman, Section Foreman, Shift Boss fatality

May 28, 2010 at 8:15 PM
Discovery Day Mine · Gold Run Enterprises LLC · Siskiyou County, CA
Investigator narrative
2 miners lit their fuse for a face round and then re-entered blast area prior to the mandated 1 hour wait period. When they were within 25 feet of the face, a misfire detonated. This was against company policy and recent training. 1 miner was killed by the blast and the other injured.
Record details
Classification
EXPLOSIVES AND BREAKING AGENTS
Accident type
Struck by flying object
Activity at time
Blasting, Shoot Coal
Subunit / location
UNDERGROUND
Source of injury
BROKEN ROCK,COAL,ORE,WSTE
Nature of injury
MULTIPLE INJURIES
Total mining experience
35 years
Experience at this mine
0.15 years
Experience in this job
20 years
Mine type
Underground
Sector
Metal/Nonmetal
Similar incidents in MSHA records· same classification: EXPLOSIVES AND BREAKING AGENTS
  • March 5, 2025 · Calhoun Quarry Inc · IL · Prep Plant Foreman, Supervisor, Mill Plant Supervisor, Kiln Supervisor

    The detonator had a dead battery. In order to set off the shot, employee brought up a loader. The loader battery was used to set the shot off. Employee was unable to be inside the shelter provided for blasting.

  • March 22, 2016 · Martin Marietta Materials Inc. · IA · Outside Foreman, Leadman

    On March 22, 2016 at approximately 6:35pm an employee was struck by flyrock after a shot was detonated. The employee was sitting inside of a pickup approximately 1,200 feet away from the shot when detonated. This incident resulted in a fatality.

  • December 4, 2013 · Bayer Construction Company, Inc. · KS · Outside Foreman, Leadman

    Individual was hit by fly rock while setting off a shot.

Source: US Mine Safety and Health Administration (MSHA) public records · Document 220101660042 · Mine ID 0405222
Mining Incidents · miningincidents.org/incident/198394