Read Challenger MDL #22R176 Metal/Non-Metal
Controlled by
C Eugene Shumaker
MSHA Mine ID: 2402374
MSHA record for Read Challenger MDL #22R176 (mine ID 2402374). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Ownership history
- Shumaker Trucking & Excavating Contractors Inc 2004 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 2008 | 1 |
| 2007 | 7 |
| 2005 | 0 |
| 2004 | 0 |
Source: MSHA quarterly employment and production, updated weekly.
Read Challenger MDL #22R176 sits in Cascade County, Montana, where the Census mining category is 0.7% of county employment.
Local economic context
ⓘ
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.Cascade County, Montana · Population 84,601
0.7%
Mining share of county employment
$66,203
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
ⓘ
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 |
|---|---|---|---|---|
| 2008 Q3 | 0 | 0 | 0 | |
| 2008 Q2 | 1 | 0 | 0 | 0.0 |
| 2008 Q1 | 1 | 0 | 0 | 0.0 |
| 2007 Q4 | 716 | 0 | 0 | 0.0 |
| 2007 Q3 | 47 | 0 | 0 | 0.0 |
| 2005 Q3 | 1 | 0 | 0 | 0.0 |
| 2005 Q2 | 0 | 0 | 0 | |
| 2005 Q1 | 0 | 0 | 0 |
Show 1 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2004 Q4 | 0 | 0 | 0 |
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.