Knife River Missoula · Fall to the walkway or working surface
Employee slipped and fell. He caught himself with outstreched arm, dislocating shoulder.
Portable Crusher #1 Metal/Non-Metal
Knife River Missoula
· Surface
Controlled by
Knife River Corporation
Missoula,
Missoula County,
MT
·
Intermittent
MSHA Mine ID: 2402022
Watch this mine
Email me when a new MSHA incident is filed at Portable Crusher #1.
- Fatalities
- 0
- Total incidents
- 1
- Years on record
- 2007
- Latest incident
- Apr 2007
Compliance record
MSHA citations since 2001
52
citations
7
significant & substantial
$6,605
proposed penalties
$6,515
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 | 1,382 | 0 | 0 | 0.0 |
| 2024 Q4 | 0 | 0 | 0 | |
| 2024 Q3 | 1,844 | 1 | 0 | 542.3 |
| 2024 Q2 | 1,521 | 0 | 0 | 0.0 |
| 2023 Q4 | 1,595 | 0 | 0 | 0.0 |
| 2023 Q3 | 0 | 0 | 0 | |
| 2023 Q2 | 2,211 | 0 | 0 | 0.0 |
| 2023 Q1 | 1,614 | 0 | 0 | 0.0 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.