Key Takeaway
Plant 11 is a intermittent surface mine producing SandAndGravel, located in Rainer MN, Koochiching County, MN. It has 15 violations on record (5 S&S) and $2K in proposed penalties. Operated by Mark Rock Products.
Plant 11
Operator: Mark Rock Products
Controller: Mark T Thorson
Location: Rainer MN, Koochiching County, MN
Employees: 3
Recent Violations
View all 15 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/14/2025 | 56.14112(a)(1) | Non-S&S | ModNegligence | $151 |
| 10/14/2025 | 56.14112(a)(1) | S&S | ModNegligence | $366 |
| 10/14/2025 | 56.14101(a)(2) | Non-S&S | LowNegligence | $151 |
| 07/17/2025 | 56.9300(a) | Non-S&S | LowNegligence | $151 |
| 07/17/2025 | 56.14103(b) | Non-S&S | LowNegligence | $151 |
| 07/17/2025 | 46.8(a)(2) | Non-S&S | ModNegligence | $168 |
| 06/25/2024 | 56.14132(a) | Non-S&S | LowNegligence | $147 |
| 06/25/2024 | 56.12028 | Non-S&S | ModNegligence | $147 |
| 08/21/2023 | 56.14100(b) | S&S | LowNegligence | $143 |
| 08/21/2023 | 56.14101(a)(2) | Non-S&S | LowNegligence | $143 |
| 08/21/2023 | 56.14112(b) | S&S | LowNegligence | $143 |
| 08/21/2023 | 56.14107 | S&S | LowNegligence | $143 |
| 09/27/2022 | 62.130(a) | Non-S&S | LowNegligence | $133 |
| 08/16/2022 | 56.14107(a) | S&S | ModNegligence | $144 |
| 08/16/2022 | 56.12004 | Non-S&S | ModNegligence | $133 |
Inspections
View all 10 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/14/2025 | 10/20/2025 | 16.50 | 1 |
| 07/17/2025 | 07/17/2025 | 16.50 | 1 |
| 07/10/2025 | 07/10/2025 | 3.25 | 1 |
| 06/25/2024 | 06/26/2024 | 17.00 | 1 |
| 08/25/2023 | 08/25/2023 | 2.75 | 1 |
| 08/21/2023 | 08/22/2023 | 17.25 | 1 |
| 11/10/2022 | 11/10/2022 | 1.00 | 1 |
| 09/27/2022 | 09/28/2022 | 17.00 | 1 |
| 08/16/2022 | 08/17/2022 | 11.00 | 1 |
| 09/01/2021 | 09/01/2021 | 11.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Plant 11 have?
Plant 11 has 15 MSHA violations on record, of which 5 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $2K.
What type of mine is Plant 11?
Plant 11 is a Surface mine producing SandAndGravel, located in Rainer MN, Koochiching County, MN. It currently has 3 employees.
Has anyone been injured or killed at Plant 11?
According to MSHA records, Plant 11 has 0 reported accident/injury records and 0 fatalities on file.
Who operates Plant 11?
Plant 11 is operated by Mark Rock Products and controlled by Mark T Thorson. MSHA Mine ID: 2102550.