Mining Incidents

No 4 Rock Slope Coal

Duke Associates · Underground
Controlled by Duke Joseph
Shamokin, Northumberland County, PA  ·  Abandoned and Sealed
MSHA Mine ID: 3602111

MSHA record for No 4 Rock Slope (mine ID 3602111). 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
  1. Duke Associates 1950 to present
Source: MSHA controller and operator history, updated weekly.

No 4 Rock Slope sits in Northumberland County, Pennsylvania, where the Census mining category is 0.6% 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.
Northumberland County, Pennsylvania · Population 90,925
0.6%
Mining share of county employment
$57,948
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.

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.