Masonville Stone Company · Fall from machine
When releasing pressure from radiator cap, antifreeze gushed out burning foot. Operator jumped from loader and cracked foot bone on landing.
MASONVILLE QUARRY Metal/Non-Metal
Masonville Stone Company
· Surface
Controlled by
Glenn E Southwick
Masonville,
Larimer County,
CO
·
Active
MSHA Mine ID: 0504013
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- Fatalities
- 0
- Total incidents
- 1
- Years on record
- 2007
- Latest incident
- Jul 2007
Compliance record
MSHA citations since 2001
130
citations
37
significant & substantial
$55,437
proposed penalties
$49,965
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 | 750 | 0 | 0 | 0.0 |
| 2025 Q3 | 900 | 0 | 0 | 0.0 |
| 2025 Q2 | 850 | 1 | 0 | 1176.5 |
| 2025 Q1 | 500 | 0 | 0 | 0.0 |
| 2024 Q4 | 750 | 4 | 0 | 5333.3 |
| 2024 Q3 | 750 | 0 | 0 | 0.0 |
| 2024 Q2 | 900 | 2 | 0 | 2222.2 |
| 2024 Q1 | 700 | 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.