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Rocky Ridge Plant Metal/Non-Metal

Glen-Gery Corporation · Surface

Controlled by Brickworks Limited

Frederick, Frederick County, MD · Abandoned

MSHA Mine ID: 1800071

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Fatalities: 0
Total incidents: 1
Years on record: 2025
Latest incident: Dec 2025

Compliance record

MSHA citations since 2000

citations

significant & substantial

$2,562

proposed penalties

$2,115

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	Per 1M hrs
2025 Q4	148	0	0.0
2025 Q3	3	0	0.0
2025 Q1	10	0	0.0
2024 Q4	20	0	0.0
2024 Q3	20	1	50000.0
2024 Q2	22	0	0.0
2024 Q1	20	0	0.0
2023 Q4	16	0	0.0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

Reportable incidents

1 on file

2025 · 1 incident

December 1, 2025 MD · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)

Glen-Gery Corporation · Struck by flying object

Mechanic was working on driving the pin out of the bucket while operator operated the excavator. Operator got out of cab and walked to the other side of the bucket. As mechanic hit the pin, it came out of the bucket deflected off bucket and landed on operator's foot.