Sierra Minerals, LLC operator
Controlled by
Sierra Resources, LLC; Elli M Mills
MSHA operator ID: 0174553
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Email me when a new MSHA incident is filed at any Sierra Minerals, LLC mine.
- Fatalities
- 0
- Total incidents
- 1
- Mines on record
- 1
- Years on record
- 2021
Compliance record
MSHA citations since 2021
12
citations
0
significant & substantial
$1,500
proposed penalties
$1,500
paid to date
Source: MSHA violations data, updated weekly.
Top causes
- MACHINERY 1 non-fatal
Incident timeline
2021
1
Mines on record
- Colombo Mine CA