Three Forks Mill
Active
Facility
Nonmetal
Operator: Magris Talc USA Inc.
Controller: Magris Performance Materials Inc
Location: Three Forks, Gallatin County, MT
Employees: 47
298
Violations
28
S&S Violations
68
Accidents
$63K
Penalties
Recent Violations
View all 298 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/16/2025 | 56.20003(a) | S&S | ModNegligence | $592 |
| 10/15/2025 | 56.11003 | S&S | ModNegligence | $465 |
| 10/15/2025 | 56.17001 | Non-S&S | ModNegligence | $151 |
| 10/14/2025 | 56.9315 | Non-S&S | ModNegligence | $151 |
| 07/09/2025 | 56.12028 | Non-S&S | LowNegligence | $151 |
| 07/09/2025 | 56.12028 | Non-S&S | LowNegligence | $151 |
| 07/09/2025 | 56.12016 | Non-S&S | ModNegligence | $151 |
| 07/08/2025 | 56.17001 | Non-S&S | LowNegligence | $151 |
| 01/07/2025 | 56.15001 | Non-S&S | LowNegligence | $151 |
| 01/07/2025 | 56.14115(b) | Non-S&S | LowNegligence | $151 |
| 01/07/2025 | 56.20011 | S&S | ModNegligence | $209 |
| 08/01/2024 | 56.12028 | Non-S&S | ModNegligence | $147 |
| 08/01/2024 | 56.4330(c) | Non-S&S | LowNegligence | $151 |
| 08/01/2024 | 56.4330(c) | Non-S&S | LowNegligence | $151 |
| 11/21/2023 | 56.12032 | Non-S&S | ModNegligence | $147 |
| 11/21/2023 | 56.4201(a)(5) | Non-S&S | ModNegligence | $147 |
| 11/20/2023 | 56.15001 | Non-S&S | ModNegligence | $147 |
| 07/05/2023 | 56.12028 | Non-S&S | ModNegligence | $143 |
| 07/05/2023 | 56.4201(a)(2) | Non-S&S | LowNegligence | $143 |
| 07/05/2023 | 56.4201(a)(1) | Non-S&S | LowNegligence | $143 |
Accidents & Injuries
View all 68 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 09/29/2025 | OTHER | INJURIES DUE TO NATURAL CAUSES | None |
| 09/24/2025 | STEPPING OR KNEELING ON OBJECT | DAYS RESTRICTED ACTIVITY ONLY | 10d restricted |
| 09/09/2025 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 09/09/2025 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
| 05/13/2025 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/12/2025 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/16/2024 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 14d restricted |
| 02/14/2024 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/01/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/23/2023 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 1d restricted |
Inspections
View all 71 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/30/2025 | 10/30/2025 | 4.75 | 1 |
| 10/14/2025 | 10/17/2025 | 27.50 | 1 |
| 07/08/2025 | 07/09/2025 | 26.50 | 1 |
| 01/06/2025 | 01/08/2025 | 28.25 | 2 |
| 10/03/2024 | 10/03/2024 | 3.50 | 1 |
| 08/23/2024 | 09/24/2024 | 16.25 | 3 |
| 07/30/2024 | 08/01/2024 | 31.00 | 2 |
| 11/20/2023 | 11/22/2023 | 25.50 | 1 |
| 07/03/2023 | 07/05/2023 | 15.00 | 1 |
| 11/17/2022 | 11/22/2022 | 25.25 | 1 |
Mine Details
MSHA Mine ID2400162
Mine TypeFacility
StatusActive
CommodityNonmetal
SIC DescriptionTalc
Employees47
Days/Week7.0
Hours/Shift8.0
Coordinates45.8788890, -111.5552780
Nearest TownThree Forks
Related Mines
Trident Plant & Quarry
Three Forks, Gallatin County, MT
672 violations
Active
Ludlow Mill
Ludlow, Windsor County, VT
341 violations
Active
Yellowstone Mine
Cameron, Madison County, MT
179 violations
Active
Belgrade Pit
Belgrade, Gallatin County, MT
139 violations
Active
Sappington Mill
Gallatin, Gallatin County, MT
129 violations
Active
Houston Mill
Houston, Harris County, TX
109 violations
Active
Fab Tec Portable Crusher
Manhattan, Gallatin County, MT
60 violations
Abandoned
Highline Road Pit
Bozeman, Gallatin County, MT
59 violations
Abandoned
Frequently Asked Questions
How many MSHA violations does Three Forks Mill have?
Three Forks Mill has 298 MSHA violations on record, of which 28 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $63K.
What type of mine is Three Forks Mill?
Three Forks Mill is a Facility mine producing Nonmetal, located in Three Forks, Gallatin County, MT. It currently has 47 employees.
Has anyone been injured or killed at Three Forks Mill?
According to MSHA records, Three Forks Mill has 68 reported accident/injury records and 0 fatalities on file.
Who operates Three Forks Mill?
Three Forks Mill is operated by Magris Talc USA Inc. and controlled by Magris Performance Materials Inc. MSHA Mine ID: 2400162.