Key Takeaway
Keystone Quarry is a active surface mine producing Stone, located in Dunmore, Lackawanna County, PA. It has 146 violations on record (38 S&S) and $32K in proposed penalties. Operated by Keystone Quarry Inc.
Keystone Quarry
Operator: Keystone Quarry Inc
Controller: L & D Management Inc
Location: Dunmore, Lackawanna County, PA
Employees: 34
Recent Violations
View all 146 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 03/03/2026 | 56.4201(a)(1) | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 56.20003(a) | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 56.12019 | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 47.44(b) | Non-S&S | ModNegligence | $0 |
| 03/03/2026 | 56.14100(c) | Non-S&S | ModNegligence | $0 |
| 12/10/2025 | 50.10(a) | Non-S&S | ModNegligence | $7,555 |
| 03/19/2025 | 56.14101(a)(2) | Non-S&S | LowNegligence | $151 |
| 03/19/2025 | 56.14101(a)(2) | Non-S&S | ModNegligence | $151 |
| 03/13/2025 | 56.14132(a) | Non-S&S | ModNegligence | $151 |
| 03/13/2025 | 56.14107(a) | S&S | ModNegligence | $177 |
| 03/13/2025 | 56.16005 | Non-S&S | LowNegligence | $151 |
| 08/28/2024 | 56.14100(b) | S&S | LowNegligence | $147 |
| 08/27/2024 | 46.7(b) | S&S | LowNegligence | $289 |
| 08/27/2024 | 56.4201(a)(2) | Non-S&S | ModNegligence | $147 |
| 08/27/2024 | 56.23002(a) | Non-S&S | LowNegligence | $147 |
| 02/21/2024 | 56.14206(b) | Non-S&S | LowNegligence | $147 |
| 02/21/2024 | 56.15004 | S&S | LowNegligence | $147 |
| 02/21/2024 | 56.4200(b)(2) | Non-S&S | ModNegligence | $147 |
| 02/21/2024 | 56.12030 | Non-S&S | LowNegligence | $147 |
| 08/08/2023 | 56.12008 | Non-S&S | LowNegligence | $143 |
Accidents & Injuries
View all 37 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 12/10/2025 | OTHER | INJURIES DUE TO NATURAL CAUSES | None |
| 07/27/2022 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/27/2022 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/14/2020 | IGNITION OR EXPLOSION OF GAS OR DUST | DAYS AWAY FROM WORK ONLY | 13d lost |
| 12/27/2019 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 89d lost |
| 10/16/2017 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/02/2015 | STRIKING OR BUMPING | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 05/13/2013 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 09/12/2012 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/25/2011 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 1d lost |
Inspections
View all 72 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 03/02/2026 | 03/04/2026 | 41.00 | 1 |
| 12/11/2025 | 12/16/2025 | 17.25 | 1 |
| 03/13/2025 | 03/31/2025 | 23.25 | 1 |
| 03/13/2025 | 03/31/2025 | 11.50 | 1 |
| 09/05/2024 | 09/05/2024 | 0.75 | 1 |
| 08/26/2024 | 08/28/2024 | 19.75 | 1 |
| 02/20/2024 | 02/22/2024 | 21.00 | 1 |
| 08/07/2023 | 08/10/2023 | 22.25 | 1 |
| 12/29/2022 | 01/09/2023 | 26.25 | 1 |
| 08/01/2022 | 08/03/2022 | 23.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Keystone Quarry have?
Keystone Quarry has 146 MSHA violations on record, of which 38 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $32K.
What type of mine is Keystone Quarry?
Keystone Quarry is a Surface mine producing Stone, located in Dunmore, Lackawanna County, PA. It currently has 34 employees.
Has anyone been injured or killed at Keystone Quarry?
According to MSHA records, Keystone Quarry has 37 reported accident/injury records and 0 fatalities on file.
Who operates Keystone Quarry?
Keystone Quarry is operated by Keystone Quarry Inc and controlled by L & D Management Inc. MSHA Mine ID: 3608726.