Mining Incidents

Fredericksburg Metal/Non-Metal

Tahoe Asphalt, inc. · Surface
Markleeville, Alpine County, CA  ·  Abandoned
MSHA Mine ID: 0405970

MSHA record for Fredericksburg (mine ID 0405970). 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
Workforce and production
Year Employees
2023 4
Source: MSHA quarterly employment and production, updated weekly.

Fredericksburg sits in Alpine County, California, where the Census mining category is 0.0% 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.
Alpine County, California · Population 1,695
0.0%
Mining share of county employment
$110,781
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
2023 Q4 943 0 0 0.0
2023 Q3 2,683 0 0 0.0
2023 Q2 706 0 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.