Key Takeaway
Yellowstone Mine is a active surface mine producing Nonmetal, located in Cameron, Madison County, MT. It has 179 violations on record (29 S&S) and $32K in proposed penalties. Operated by Magris Talc USA, Inc..
Yellowstone Mine
Operator: Magris Talc USA, Inc.
Controller: Magris Performance Materials Inc
Location: Cameron, Madison County, MT
Employees: 35
Recent Violations
View all 179 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 11/06/2024 | 56.4330(c) | Non-S&S | LowNegligence | $147 |
| 06/06/2023 | 56.4201(a)(2) | Non-S&S | ModNegligence | $143 |
| 06/23/2022 | 46.9(a) | Non-S&S | ModNegligence | $133 |
| 01/13/2022 | 56.14130(c) | Non-S&S | ModNegligence | $169 |
| 01/11/2022 | 56.14107(a) | Non-S&S | ModNegligence | $273 |
| 09/07/2021 | 56.4102 | Non-S&S | ModNegligence | $125 |
| 09/07/2021 | 56.14112(a)(1) | Non-S&S | ModNegligence | $125 |
| 09/01/2021 | 56.14100(b) | Non-S&S | HighNegligence | $125 |
| 09/01/2021 | 56.14100(b) | Non-S&S | HighNegligence | $125 |
| 09/01/2021 | 56.14100(b) | Non-S&S | HighNegligence | $125 |
| 09/01/2021 | 56.14100(b) | Non-S&S | HighNegligence | $125 |
| 09/01/2021 | 56.4104(b) | Non-S&S | ModNegligence | $125 |
| 09/01/2021 | 56.11003 | Non-S&S | ModNegligence | $133 |
| 08/31/2021 | 56.14100(b) | Non-S&S | HighNegligence | $125 |
| 08/31/2021 | 56.4201(a)(5) | Non-S&S | HighNegligence | $125 |
| 08/31/2021 | 56.14100(b) | Non-S&S | HighNegligence | $125 |
| 08/31/2021 | 56.4130(a)(3) | Non-S&S | ModNegligence | $125 |
| 08/31/2021 | 56.14132(b)(2) | Non-S&S | ModNegligence | $125 |
| 01/21/2021 | 56.15001 | Non-S&S | ModNegligence | $125 |
| 04/22/2020 | 56.16005 | Non-S&S | ModNegligence | $123 |
Accidents & Injuries
View all 30 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 09/02/2025 | OTHER | INJURIES DUE TO NATURAL CAUSES | None |
| 10/14/2024 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 4d restricted |
| 10/12/2023 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 12d restricted |
| 09/18/2023 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 09/18/2023 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 02/23/2023 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 8d restricted |
| 05/03/2022 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 6d restricted |
| 10/06/2020 | POWERED HAULAGE | ALL OTHER CASES (INCL 1ST AID) | None |
| 08/31/2020 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 11/06/2019 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 10d lost, 51d restricted |
Inspections
View all 71 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/15/2025 | 12/31/2025 | 57.00 | 2 |
| 08/25/2025 | 08/28/2025 | 33.75 | 1 |
| 11/12/2024 | 11/12/2024 | 6.25 | 1 |
| 11/04/2024 | 11/06/2024 | 20.50 | 1 |
| 08/05/2024 | 08/07/2024 | 16.25 | 1 |
| 11/30/2023 | 12/06/2023 | 37.50 | 2 |
| 06/05/2023 | 06/08/2023 | 36.00 | 1 |
| 05/16/2023 | 05/17/2023 | 2.00 | 1 |
| 01/19/2023 | 01/24/2023 | 32.75 | 2 |
| 06/13/2022 | 06/23/2022 | 61.25 | 1 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does Yellowstone Mine have?
Yellowstone Mine has 179 MSHA violations on record, of which 29 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $32K.
What type of mine is Yellowstone Mine?
Yellowstone Mine is a Surface mine producing Nonmetal, located in Cameron, Madison County, MT. It currently has 35 employees.
Has anyone been injured or killed at Yellowstone Mine?
According to MSHA records, Yellowstone Mine has 30 reported accident/injury records and 0 fatalities on file.
Who operates Yellowstone Mine?
Yellowstone Mine is operated by Magris Talc USA, Inc. and controlled by Magris Performance Materials Inc. MSHA Mine ID: 2400163.