Key Takeaway
Mosby Quarry is a active underground mine producing Stone, located in Mosby, Clay County, MO. It has 110 violations on record (16 S&S) and $31K in proposed penalties. Operated by Ideker Mining LLC.
Mosby Quarry
Operator: Ideker Mining LLC
Controller: Roger Ideker
Location: Mosby, Clay County, MO
Employees: 23
Recent Violations
View all 110 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/07/2026 | 57.20003(a) | S&S | ModNegligence | $226 |
| 01/07/2026 | 57.14107(a) | Non-S&S | ModNegligence | $151 |
| 01/07/2026 | 57.20003(a) | S&S | ModNegligence | $226 |
| 01/07/2026 | 47.41(a)(1) | Non-S&S | ModNegligence | $151 |
| 01/07/2026 | 57.3200 | Non-S&S | ModNegligence | $151 |
| 01/07/2026 | 57.3200 | S&S | ModNegligence | $755 |
| 01/07/2026 | 49.6(b) | Non-S&S | LowNegligence | $151 |
| 01/07/2026 | 48.9(a) | Non-S&S | HighNegligence | $151 |
| 12/09/2025 | 57.14100(b) | Non-S&S | LowNegligence | $151 |
| 12/09/2025 | 57.6101(a) | Non-S&S | ModNegligence | $151 |
| 07/16/2025 | 57.14107(a) | Non-S&S | ModNegligence | $151 |
| 07/15/2025 | 57.12004 | Non-S&S | ModNegligence | $151 |
| 07/15/2025 | 57.15006 | Non-S&S | ModNegligence | $151 |
| 05/07/2025 | 57.14112(b) | Non-S&S | ModNegligence | $151 |
| 05/07/2025 | 57.4201(a)(2) | Non-S&S | ModNegligence | $151 |
| 05/06/2025 | 57.14107(a) | Non-S&S | ModNegligence | $151 |
| 05/06/2025 | 57.3200 | Non-S&S | ModNegligence | $151 |
| 01/14/2025 | 57.14100(b) | Non-S&S | ModNegligence | $151 |
| 01/14/2025 | 57.14112(b) | Non-S&S | ModNegligence | $151 |
| 01/14/2025 | 57.14107(a) | S&S | ModNegligence | $165 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 12/27/2022 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 54 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/06/2026 | 01/16/2026 | 33.50 | 2 |
| 12/22/2025 | 12/23/2025 | 14.50 | 1 |
| 12/08/2025 | 12/15/2025 | 36.00 | 2 |
| 11/25/2025 | 11/25/2025 | 5.25 | 1 |
| 09/18/2025 | 09/18/2025 | 20.00 | 2 |
| 09/10/2025 | 09/10/2025 | 12.00 | 1 |
| 09/04/2025 | 09/04/2025 | 4.00 | 1 |
| 07/14/2025 | 07/17/2025 | 35.25 | 1 |
| 06/12/2025 | 06/12/2025 | 13.00 | 1 |
| 06/02/2025 | 06/03/2025 | 13.00 | 1 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does Mosby Quarry have?
Mosby Quarry has 110 MSHA violations on record, of which 16 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $31K.
What type of mine is Mosby Quarry?
Mosby Quarry is a Underground mine producing Stone, located in Mosby, Clay County, MO. It currently has 23 employees.
Has anyone been injured or killed at Mosby Quarry?
According to MSHA records, Mosby Quarry has 1 reported accident/injury records and 0 fatalities on file.
Who operates Mosby Quarry?
Mosby Quarry is operated by Ideker Mining LLC and controlled by Roger Ideker. MSHA Mine ID: 2302447.