Key Takeaway
DMC Mine is a active surface mine producing SandAndGravel, located in Missoula, Missoula County, MT. It has 19 violations on record (1 S&S) and $2K in proposed penalties. Operated by Diversified Materials & Construction LLC.
DMC Mine
Operator: Diversified Materials & Construction LLC
Controller: Cheryl L Thomas; Mark D Thomas
Location: Missoula, Missoula County, MT
Employees: 6
Recent Violations
View all 19 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 06/30/2025 | 56.12028 | Non-S&S | ModNegligence | $151 |
| 07/16/2023 | 50.30(a) | Non-S&S | LowNegligence | $147 |
| 06/23/2021 | 56.9300(b) | Non-S&S | ModNegligence | $125 |
| 10/16/2019 | 56.14100(b) | Non-S&S | LowNegligence | $121 |
| 10/16/2019 | 56.4201(a)(2) | Non-S&S | LowNegligence | $121 |
| 08/14/2018 | 56.12008 | Non-S&S | LowNegligence | $118 |
| 03/05/2018 | 56.12028 | Non-S&S | LowNegligence | $118 |
| 03/05/2018 | 50.20(a) | Non-S&S | LowNegligence | $118 |
| 06/04/2014 | 56.14207 | Non-S&S | LowNegligence | $100 |
| 06/04/2014 | 56.14103(b) | Non-S&S | ModNegligence | $100 |
| 06/04/2014 | 46.9(a) | Non-S&S | ModNegligence | $100 |
| 09/09/2013 | 56.14107(a) | Non-S&S | ModNegligence | $100 |
| 09/09/2013 | 56.14132(b)(1)(i) | Non-S&S | LowNegligence | $100 |
| 09/09/2013 | 56.12004 | Non-S&S | ModNegligence | $100 |
| 10/28/2010 | 56.14101(a)(2) | Non-S&S | ModNegligence | $100 |
| 06/20/2006 | 56.14130(g) | Non-S&S | ModNegligence | $60 |
| 03/17/2005 | 56.12028 | Non-S&S | LowNegligence | $60 |
| 11/17/2004 | 56.1000 | Non-S&S | ModNegligence | $60 |
| 03/18/2004 | 56.14132(a) | S&S | LowNegligence | $84 |
Accidents & Injuries
View all 5 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 09/14/2021 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/17/2017 | POWERED HAULAGE | DYS AWY FRM WRK & RESTRCTD ACT | 20d lost, 18d restricted |
| 06/21/2006 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 1d lost, 9d restricted |
| 09/07/2004 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 3d lost |
| 04/25/2003 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 18d restricted |
Inspections
View all 33 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/06/2025 | 10/09/2025 | 7.75 | 1 |
| 06/30/2025 | 07/01/2025 | 12.25 | 1 |
| 10/30/2024 | 10/31/2024 | 5.75 | 1 |
| 08/05/2024 | 08/07/2024 | 7.25 | 1 |
| 07/09/2024 | 07/10/2024 | 16.50 | 1 |
| 02/05/2024 | 02/06/2024 | 10.25 | 1 |
| 11/03/2022 | 11/04/2022 | 8.50 | 1 |
| 04/19/2022 | 04/19/2022 | 5.25 | 1 |
| 11/10/2021 | 11/10/2021 | 6.00 | 1 |
| 06/22/2021 | 06/23/2021 | 9.50 | 1 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does DMC Mine have?
DMC Mine has 19 MSHA violations on record, of which 1 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $2K.
What type of mine is DMC Mine?
DMC Mine is a Surface mine producing SandAndGravel, located in Missoula, Missoula County, MT. It currently has 6 employees.
Has anyone been injured or killed at DMC Mine?
According to MSHA records, DMC Mine has 5 reported accident/injury records and 0 fatalities on file.
Who operates DMC Mine?
DMC Mine is operated by Diversified Materials & Construction LLC and controlled by Cheryl L Thomas; Mark D Thomas. MSHA Mine ID: 2402211.