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Cumberland Gap Hearthstone Inc. Metal/Non-Metal

Cumberland Gap Hearthstone Inc. · Surface

Controlled by Lee John Challinor; Brian Dean Challinor

Kemmerer, Lincoln County, WY · Active

MSHA Mine ID: 4801841

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

Compliance record

MSHA citations since 2020

citations

significant & substantial

$8,935

proposed penalties

$8,935

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	S&S	Per 1M hrs
2025 Q4	1,694	0	0	0.0
2025 Q3	3,368	0	0	0.0
2025 Q2	2,515	2	0	795.2
2025 Q1	2,818	0	0	0.0
2024 Q4	2,880	0	0	0.0
2024 Q3	2,656	0	0	0.0
2024 Q2	2,905	0	0	0.0
2024 Q1	2,644	6	4	2269.3

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

April 8, 2025 WY · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS

Cumberland Gap Hearthstone Inc. · Caught in, under or between a moving and a stationary object

While moving/stacking a piece of rock, the tip of EE's little finger was pinched/smashed. Resulting in the skin, nailbed and underlying tissue to be removed. EE was taken to hospital, referred Orthopedics. 4/10/25. Remission amputation performed on the tip of little finger.