Mrak Placer Mine Company · Over-exertion (Not Elsewhere Classified)
WHILE STEPPING DOWN FROM BUCKET LOADER HE WAS HOLDING HANDRAILS & WHILE STEPPING DOWN TWISTED HIS SHOULDER & DISLOACTED IT.
Willow Grubstake Gulch: 1 reportable incident Metal/Non-Metal
Mrak Placer Mine Company
· Surface
Controlled by
William Mrak
Matanuska-Susitna County,
AK
·
Abandoned
MSHA Mine ID: 5000297
MSHA record for Willow Grubstake Gulch (mine ID 5000297). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.
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- Fatalities
- 0
- Total incidents
- 1
- Years on record
- 1984
- Latest incident
- Jul 1984
Inspection activity
MSHA inspections since 2000
1
inspections on record
3
inspection hours
n/a
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Rate withheld: 3 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Ownership history
- Mrak Placer Mine Company 1950 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 2000 | 1 |
Source: MSHA quarterly employment and production, updated weekly.
Willow Grubstake Gulch sits in Matanuska-Susitna Borough, Alaska, where the Census mining category is 3.1% 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.Matanuska-Susitna Borough, Alaska · Population 110,677
3.1%
Mining share of county employment
$90,625
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 |
|---|---|---|---|---|
| 2000 Q3 | 168 | 0 | 0 | 0.0 |
| 2000 Q2 | 1,140 | 0 | 0 | 0.0 |
| 2000 Q1 | 0 | 0 | 0 |
No fatalities recorded at this mine.