Lone Star Quarry & Mill
Active
Surface
Stone
Operator: Buzzi Unicem USA
Controller: Buzzi S p A
Location: Cape Girardeau, Cape Girardeau County, MO
Employees: 180
642
Violations
133
S&S Violations
244
Accidents
$601K
Penalties
Recent Violations
View all 642 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/25/2026 | 56.12030 | S&S | ModNegligence | $0 |
| 02/25/2026 | 56.12008 | Non-S&S | ModNegligence | $0 |
| 02/24/2026 | 56.14112(a)(1) | Non-S&S | ModNegligence | $0 |
| 02/24/2026 | 56.12004 | S&S | ModNegligence | $0 |
| 02/23/2026 | 56.12008 | Non-S&S | ModNegligence | $0 |
| 02/23/2026 | 56.12028 | Non-S&S | ModNegligence | $0 |
| 02/18/2026 | 56.12002 | Non-S&S | ModNegligence | $0 |
| 02/12/2026 | 56.20003(a) | Non-S&S | ModNegligence | $0 |
| 02/11/2026 | 56.20003(a) | Non-S&S | ModNegligence | $0 |
| 06/25/2025 | 56.9315 | S&S | ModNegligence | $3,736 |
| 06/25/2025 | 56.9101 | S&S | ModNegligence | $3,448 |
| 06/18/2025 | 56.14100(b) | S&S | ModNegligence | $20,047 |
| 05/05/2025 | 56.14100(b) | Non-S&S | ModNegligence | $1,818 |
| 05/05/2025 | 56.18002(a)(2) | S&S | HighNegligence | $17,082 |
| 05/05/2025 | 56.14107(a) | S&S | HighNegligence | $17,082 |
| 04/30/2025 | 56.9300(a) | Non-S&S | ModNegligence | $1,037 |
| 04/30/2025 | 56.12030 | S&S | ModNegligence | $5,144 |
| 04/30/2025 | 56.11002 | S&S | ModNegligence | $5,144 |
| 04/30/2025 | 56.20003(a) | S&S | ModNegligence | $21,713 |
| 04/30/2025 | 56.18002(a)(1) | Non-S&S | HighNegligence | $1,037 |
Accidents & Injuries
View all 244 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 02/04/2026 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 01/08/2026 | OTHER | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 11/08/2025 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 12/20/2024 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 92d restricted |
| 08/02/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 06/17/2024 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/25/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/14/2024 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/05/2024 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/23/2023 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 162 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/11/2026 | 03/03/2026 | 79.75 | 2 |
| 09/16/2025 | 09/16/2025 | 10.75 | 1 |
| 06/25/2025 | 06/25/2025 | 7.00 | 1 |
| 06/25/2025 | 06/25/2025 | 7.50 | 1 |
| 06/16/2025 | 07/01/2025 | 20.25 | 1 |
| 04/08/2025 | 05/06/2025 | 141.00 | 3 |
| 01/27/2025 | 01/27/2025 | 19.00 | 2 |
| 12/09/2024 | 01/13/2025 | 172.75 | 3 |
| 06/12/2024 | 06/12/2024 | 4.50 | 1 |
| 06/04/2024 | 06/04/2024 | 0.25 | 1 |
Mine Details
MSHA Mine ID2300134
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCement
Employees180
Days/Week7.0
Hours/Shift8.0
Coordinates37.3194440, -89.5380560
Nearest TownCape Girardeau
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Frequently Asked Questions
How many MSHA violations does Lone Star Quarry & Mill have?
Lone Star Quarry & Mill has 642 MSHA violations on record, of which 133 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $601K.
What type of mine is Lone Star Quarry & Mill?
Lone Star Quarry & Mill is a Surface mine producing Stone, located in Cape Girardeau, Cape Girardeau County, MO. It currently has 180 employees.
Has anyone been injured or killed at Lone Star Quarry & Mill?
According to MSHA records, Lone Star Quarry & Mill has 244 reported accident/injury records and 3 fatalities on file.
Who operates Lone Star Quarry & Mill?
Lone Star Quarry & Mill is operated by Buzzi Unicem USA and controlled by Buzzi S p A. MSHA Mine ID: 2300134.