MSHA record for H L OSTERMILLER CONST INC (CRUSH (mine ID 2401947). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.
Local economic context
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County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Yellowstone County, Montana · Population 167,340
1.4%
Mining share of county employment
$74,400
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
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Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
| Quarter |
Hours worked |
Citations |
S&S |
Per 1M hrs |
| 2000 Q1 |
0 |
0 |
0 |
|