Bull Mountains Mine No 1
Active
Underground
Coal
Operator: Signal Peak Energy LLC
Controller: Global Mining Group LLC
Location: Roundup, Musselshell County, MT
Employees: 248
2,247
Violations
243
S&S Violations
193
Accidents
$1.7M
Penalties
Recent Violations
View all 2,247 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/26/2026 | 75.1100-3 | Non-S&S | ModNegligence | $0 |
| 02/26/2026 | 75.503 | Non-S&S | ModNegligence | $0 |
| 02/25/2026 | 75.1725(a) | S&S | ModNegligence | $0 |
| 02/25/2026 | 75.351(k) | Non-S&S | ModNegligence | $0 |
| 02/24/2026 | 75.351(k) | Non-S&S | ModNegligence | $0 |
| 02/24/2026 | 75.1100-3 | Non-S&S | ModNegligence | $0 |
| 02/23/2026 | 77.505 | Non-S&S | ModNegligence | $0 |
| 02/12/2026 | 77.904 | Non-S&S | ModNegligence | $0 |
| 02/11/2026 | 75.1910(j) | Non-S&S | LowNegligence | $0 |
| 02/11/2026 | 75.1910(f) | Non-S&S | LowNegligence | $0 |
| 02/10/2026 | 75.1909(d) | Non-S&S | ModNegligence | $0 |
| 02/10/2026 | 75.351(b)(3) | Non-S&S | LowNegligence | $0 |
| 01/26/2026 | 75.1101-6 | Non-S&S | LowNegligence | $0 |
| 01/07/2026 | 75.400 | Non-S&S | LowNegligence | $151 |
| 01/07/2026 | 75.400 | Non-S&S | ModNegligence | $267 |
| 01/06/2026 | 75.400 | Non-S&S | LowNegligence | $151 |
| 01/06/2026 | 75.400 | Non-S&S | LowNegligence | $151 |
| 01/06/2026 | 75.380(d)(7)(vi) | Non-S&S | ModNegligence | $549 |
| 01/06/2026 | 75.1909(d) | Non-S&S | ModNegligence | $267 |
| 12/04/2025 | 75.503 | Non-S&S | ModNegligence | $226 |
Accidents & Injuries
View all 193 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 10/29/2025 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 09/04/2025 | FALL OF ROOF OR BACK | ACCIDENT ONLY | None |
| 08/25/2025 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/23/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 1d lost |
| 07/17/2025 | FIRE | ACCIDENT ONLY | None |
| 07/15/2025 | MACHINERY | DAYS AWAY FROM WORK ONLY | 3d lost |
| 05/22/2025 | OTHER | INJURIES DUE TO NATURAL CAUSES | None |
| 05/13/2025 | MACHINERY | ALL OTHER CASES (INCL 1ST AID) | None |
| 04/11/2025 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 3d lost |
| 01/11/2025 | FALL OF ROOF OR BACK | PERM TOT OR PERM PRTL DISABLTY | None |
Inspections
View all 228 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/20/2026 | 01/23/2026 | 16.00 | 1 |
| 01/05/2026 | 419.75 | 5 | |
| 10/23/2025 | 12/18/2025 | 555.25 | 8 |
| 09/22/2025 | 12/22/2025 | 52.00 | 1 |
| 09/05/2025 | 09/11/2025 | 63.50 | 2 |
| 07/23/2025 | 08/04/2025 | 42.00 | 1 |
| 07/05/2025 | 09/19/2025 | 465.00 | 8 |
| 05/19/2025 | 05/22/2025 | 21.50 | 2 |
| 04/04/2025 | 06/11/2025 | 533.00 | 9 |
| 01/05/2025 | 03/18/2025 | 684.75 | 7 |
Mine Details
MSHA Mine ID2401950
Mine TypeUnderground
StatusActive
CommodityCoal
SIC DescriptionCoal (Bituminous)
Employees248
Days/Week7.0
Hours/Shift12.0
Coordinates46.4508330, -108.7066670
Nearest TownRoundup
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Frequently Asked Questions
How many MSHA violations does Bull Mountains Mine No 1 have?
Bull Mountains Mine No 1 has 2247 MSHA violations on record, of which 243 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $1.7M.
What type of mine is Bull Mountains Mine No 1?
Bull Mountains Mine No 1 is a Underground mine producing Coal, located in Roundup, Musselshell County, MT. It currently has 248 employees.
Has anyone been injured or killed at Bull Mountains Mine No 1?
According to MSHA records, Bull Mountains Mine No 1 has 193 reported accident/injury records and 1 fatalities on file.
Who operates Bull Mountains Mine No 1?
Bull Mountains Mine No 1 is operated by Signal Peak Energy LLC and controlled by Global Mining Group LLC. MSHA Mine ID: 2401950.