Key Takeaway
Skyline Mine #3 is a active underground mine producing Coal, located in Helper, Carbon County, UT. It has 4,184 violations on record (654 S&S) and $3.8M in proposed penalties. Operated by Canyon Fuel Company LLC.
Skyline Mine #3
Operator: Canyon Fuel Company LLC
Controller: Wolverine Fuels LLC
Location: Helper, Carbon County, UT
Employees: 403
Recent Violations
View all 4,184 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/09/2026 | 47.44(b) | Non-S&S | LowNegligence | $0 |
| 02/04/2026 | 77.809 | Non-S&S | ModNegligence | $0 |
| 02/03/2026 | 62.175(a)(1) | Non-S&S | LowNegligence | $0 |
| 02/03/2026 | 62.174 | S&S | ModNegligence | $0 |
| 02/03/2026 | 62.174 | S&S | ModNegligence | $0 |
| 02/03/2026 | 62.174 | S&S | ModNegligence | $0 |
| 01/28/2026 | Non-S&S | $0 | ||
| 01/27/2026 | 75.360(g) | Non-S&S | HighNegligence | $336 |
| 01/27/2026 | 75.1106-2(a)(1) | Non-S&S | ModNegligence | $288 |
| 01/22/2026 | 75.1725(a) | Non-S&S | ModNegligence | $465 |
| 01/22/2026 | 75.1725(a) | Non-S&S | ModNegligence | $465 |
| 01/14/2026 | 75.1725(a) | Non-S&S | ModNegligence | $465 |
| 01/14/2026 | 75.1713-7(c) | Non-S&S | ModNegligence | $288 |
| 01/14/2026 | 75.503 | Non-S&S | ModNegligence | $366 |
| 01/13/2026 | 75.1725(a) | Non-S&S | LowNegligence | $209 |
| 01/12/2026 | 75.333(h) | Non-S&S | ModNegligence | $549 |
| 01/12/2026 | 75.1403 | Non-S&S | LowNegligence | $151 |
| 01/12/2026 | 75.370(a)(1) | Non-S&S | ModNegligence | $504 |
| 12/19/2025 | 75.204(c)(1) | Non-S&S | LowNegligence | $151 |
| 12/19/2025 | 75.363(a) | Non-S&S | HighNegligence | $755 |
Accidents & Injuries
View all 212 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 12/28/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | None |
| 09/01/2025 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 08/30/2025 | FALL OF ROOF OR BACK | ACCIDENT ONLY | None |
| 07/08/2025 | MACHINERY | DAYS AWAY FROM WORK ONLY | 1d lost |
| 06/27/2025 | MACHINERY | DAYS AWAY FROM WORK ONLY | 10d lost |
| 05/10/2025 | POWERED HAULAGE | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 05/05/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | None |
| 03/12/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 96d lost |
| 03/05/2025 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 26d lost |
| 02/18/2025 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 484 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/05/2026 | 02/06/2026 | 10.50 | 1 |
| 01/28/2026 | 74.00 | 4 | |
| 01/06/2026 | 02/17/2026 | 302.00 | 2 |
| 12/19/2025 | 12/21/2025 | 19.00 | 1 |
| 10/01/2025 | 12/11/2025 | 905.25 | 7 |
| 09/01/2025 | 09/29/2025 | 39.00 | 1 |
| 07/01/2025 | 09/25/2025 | 804.25 | 8 |
| 05/13/2025 | 05/19/2025 | 25.00 | 1 |
| 05/05/2025 | 05/07/2025 | 9.25 | 2 |
| 04/01/2025 | 06/25/2025 | 747.25 | 8 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does Skyline Mine #3 have?
Skyline Mine #3 has 4184 MSHA violations on record, of which 654 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $3.8M.
What type of mine is Skyline Mine #3?
Skyline Mine #3 is a Underground mine producing Coal, located in Helper, Carbon County, UT. It currently has 403 employees.
Has anyone been injured or killed at Skyline Mine #3?
According to MSHA records, Skyline Mine #3 has 212 reported accident/injury records and 1 fatalities on file.
Who operates Skyline Mine #3?
Skyline Mine #3 is operated by Canyon Fuel Company LLC and controlled by Wolverine Fuels LLC. MSHA Mine ID: 4201566.