Mining Incidents
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Cornerstone Materials LLCOperator

Controlled by Donald L Blaser
MSHA Operator ID: 0083525
Fatalities
0
Total incidents
25
Mines on record
2
Period
—
For counsel + compliance teams

Get an email the moment a new MSHA-reportable accident lands at any mine on file under Cornerstone Materials LLC. Useful for 105(c) defense intake, FMSHRC docket prep, and active client monitoring.

Top causes

  • HANDLING OF MATERIALS15 non-fatal
  • HANDTOOLS (NONPOWERED)8 non-fatal
  • OTHER1 non-fatal
  • SLIP OR FALL OF PERSON1 non-fatal

Incident timeline

2012
3
2011
7
2010
3
2009
5
2008
5
2007
2

Mines on record