O'Brien Pit Metal/Non-Metal
RMR Aggregate Inc
· Surface
Controlled by
Raymond T O'Brien
Conrad,
Pondera County,
MT
·
Intermittent
MSHA Mine ID: 2402219
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2002
48
citations
4
significant & substantial
$5,004
proposed penalties
$5,004
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 220 | 0 | 0 | 0.0 |
| 2025 Q3 | 200 | 3 | 0 | 15000.0 |
| 2024 Q4 | 160 | 0 | 0 | 0.0 |
| 2024 Q3 | 480 | 0 | 0 | 0.0 |
| 2024 Q2 | 240 | 0 | 0 | 0.0 |
| 2024 Q1 | 0 | 0 | 0 | |
| 2023 Q4 | 320 | 0 | 0 | 0.0 |
| 2023 Q3 | 740 | 0 | 0 | 0.0 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.