Key Takeaway
Main Quarry is a active surface mine producing Stone, located in North Bend, Coos County, OR. It has 54 violations on record (10 S&S) and $16K in proposed penalties. Operated by Main Rock Products Inc.
Main Quarry
Operator: Main Rock Products Inc
Controller: Michael P Main; Craig A Main
Location: North Bend, Coos County, OR
Employees: 5
Recent Violations
View all 54 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 12/02/2025 | 56.23003(b) | Non-S&S | LowNegligence | $151 |
| 12/01/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 02/04/2025 | 46.8(a) | Non-S&S | ModNegligence | $320 |
| 04/25/2024 | 56.14132(a) | Non-S&S | ModNegligence | $147 |
| 04/25/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 06/06/2023 | 56.14132(a) | Non-S&S | LowNegligence | $143 |
| 06/06/2023 | 56.9300(b) | Non-S&S | ModNegligence | $143 |
| 06/06/2023 | 56.14207 | Non-S&S | ModNegligence | $143 |
| 06/06/2023 | 56.6306(a) | Non-S&S | ModNegligence | $143 |
| 06/06/2023 | 56.6101(a) | Non-S&S | HighNegligence | $271 |
| 06/06/2023 | 56.14130(g) | S&S | HighNegligence | $4,982 |
| 12/14/2022 | 56.14101(a)(3) | Non-S&S | LowNegligence | $143 |
| 06/10/2020 | 56.13011 | Non-S&S | ModNegligence | $123 |
| 06/05/2019 | 56.14132(a) | Non-S&S | HighNegligence | $121 |
| 06/05/2019 | 56.20003(a) | Non-S&S | ModNegligence | $121 |
| 10/11/2018 | 56.11012 | S&S | ModNegligence | $118 |
| 10/11/2018 | 56.4102 | Non-S&S | HighNegligence | $118 |
| 10/11/2018 | 56.14101(a)(2) | Non-S&S | ModNegligence | $118 |
| 10/10/2018 | 56.11003 | Non-S&S | ModNegligence | $118 |
| 10/10/2018 | 56.14101(a)(2) | Non-S&S | ModNegligence | $118 |
Inspections
View all 43 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/01/2025 | 12/02/2025 | 18.50 | 1 |
| 05/14/2025 | 05/14/2025 | 6.50 | 1 |
| 02/03/2025 | 02/06/2025 | 19.00 | 1 |
| 04/25/2024 | 04/29/2024 | 17.50 | 1 |
| 12/13/2023 | 12/14/2023 | 11.25 | 1 |
| 06/05/2023 | 06/12/2023 | 12.50 | 1 |
| 12/12/2022 | 12/15/2022 | 22.25 | 1 |
| 08/29/2022 | 08/31/2022 | 18.00 | 1 |
| 10/06/2021 | 10/08/2021 | 17.00 | 1 |
| 12/15/2020 | 12/17/2020 | 18.25 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Main Quarry have?
Main Quarry has 54 MSHA violations on record, of which 10 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $16K.
What type of mine is Main Quarry?
Main Quarry is a Surface mine producing Stone, located in North Bend, Coos County, OR. It currently has 5 employees.
Has anyone been injured or killed at Main Quarry?
According to MSHA records, Main Quarry has 0 reported accident/injury records and 0 fatalities on file.
Who operates Main Quarry?
Main Quarry is operated by Main Rock Products Inc and controlled by Michael P Main; Craig A Main. MSHA Mine ID: 3502646.